Contego HS Intumescent Fireproofing IFRM – Structural Steel Fireproofing

Contego IFRM coatings continue to lead the intumescent fireproofing industry, pushing the standards higher with each test result.  Contego HS RFB intumescent coating was tested December of 2023 at Intertek Laboratories in Elmendorf, TX achieving a new CII/IF 120-01 listed design. 

Design No. CII/IF 120-01 encompasses the following structural steel:

Hollow Rectangular or Circular Structural Steel Columns: Use hollow steel sections, rectangular or circular shape, having nominal Hp/A or W/D section factors based on four-sided exposure to meet 1, 1 1-2, 2 HR Fire Resistance tested to ASTM E119, UL-263, CAN/ULC-S101 assembly ratings.

Save Time and Project Cost!

 

With 26 Hp/A listed data points, Contego’s design will cover your structural steel HSS Column needs with up to 30% less product and labor requirements. The chart below compares DFT (dry film thickness) coating requirements for a 2-hour fire resistance rating on HSS columns with the leading intumescent manufactures listed designs in the USA currently. 

2HR Fire Resistance ASTM E119 UL263 CAN/ULC S101

*N/A = Not Available/Not Rated/No Data Listed to support the application of Intumescent coating.

*All above data is supported by public listed designs specific to the design listed. 

 

Structural Steel Fire Protection: 8 Great Reasons to Choose Contego Intumescent Coatings

There are several ways to go about structural steel fire protection, none of which are as thorough and acceptable as an intumescent latex coating like Contego. It is THE best for protecting structural steel.

Here are the top 8 reasons why you should be recommending Contego:

  1. Contego is applied like regular latex paint.

    Unlike some other intumescent or cement-based materials that require special (and expensive) high-pressure equipment and certified applicators, Contego works with a standard paint sprayer, brush or roller lowering the applied cost considerably.Recommended Spray Equipment: Graco Mark V, Ultra Max 1095

  2. Contego is truly a non-toxic ZERO VOC coating (ASTM D4017).

    It makes no sense to protect a substrate from fire while poisoning the atmosphere around it. Contego may be the only totally VOC-free intumescent product that generates non-toxic smoke during a fire. Read the MSDS for any other product; it probably warns against both acute and chronic brain damage and damage to the central nervous system.Contego isn’t toxic to the steel either. Obsolete technology that is still used widely because it is cheaper, isn’t very cheap at all when you examine the kind of aggressive rust and structural damage it often causes. It delaminates and falls off. It also constantly sheds tiny fibrils into the breathable air. You might want to review your liability policy.

  3. Contego has an incredibly smooth finish.

    Contego Intumescent Fire Retardant is the Best to Protect SteelStandard application of Contego intumescent coating results in a beautifully smooth Level 3 architectural finish. For interior projects, Contego can be top-coated with any quality acrylic enamel for surface protection and decorative purposes.The example to the right shows Contego intumescent fire protection compared to SFRM materials on the market. What finish would you prefer?

  4. Contego is tested and re-tested by certified labs around the world.

    Contego will provide a variety of structural steel fire protection times (1, 2 and 3 hours), by using a specified thickness. These claims are supported and confirmed by independent laboratory tests.Contego is the only product tested to nine different standards (UL, ULC, ASTM, ANSI and five others) using both Full Scale and Small Scale formats. You can view these tests on the structural steel page.

  5. Contego isn’t just “thin film”, it’s super thin film.

    Projects treated with Contego will meet fire code with a super thin film. Steel actually looks like steel and you’ll need less product, thereby reducing the overall cost. It also means the weight on your steel doesn’t blow your structural loading plan out of the water. With just 100 Mil DFT (2.54 mm or 0.10 inches) you can protect Composite Steel Decking for 2HR based on our UL263 CAN/ULc S101 Floor/Ceiling Design D603.

  6. Contego sticks with over 630 PSI of adhesion (ASTM D-4541).

    Contego offers more than twice the adhesion of our one closest competitor’s and 5 to 15 times that of the others. What good is fireproofing if it falls off? When applied per specifications, combined with results of our ASTM D3359 test using both the cross cut and ribbon cut methods with 0% loss. Contego won’t peel off, and that is something our competitors don’t want you to know. Nothing beats Contego’s adhesion.

  7. Contego has the longest warranty in the market!

    Our warranty has a 10 Year Manufacturer GUARANTEE (Product Only) with proper application. Why? Because that’s how stable our product is. Spectroflouroscopic FTIR graphing from UL, Materials Analytical Services, Intertek, MAGI and others over 20 years shows almost no shift in the chemical signature.

    WARRANTY – Contego products are warranted for ten years from date of application when applied in conformance with our published Architectural Specifications. Proof of purchase (store receipt and bar code from can) is required for warranty claims. Claims are limited to replacement of product only. The manufacturer accepts no responsibility for other losses or claims and the users waives such claims by breaking the seal on this can.

  8. Contego has the lowest cost per square foot applied.

    Now here’s a big plus, as we’ve hinted throughout this list, you get ALL of the advantages we’ve shared with you delivered at the lowest cost per square foot of any other intumescent. Many projects run over budget and Contego is your ace in the hole when it comes to value engineering. The bigger the project, the more you save!!!

New Testing Report Shows Contego Pushing Intumescent Fireproofing Industry Standards Higher

FTSL-A2-003-Contego-Floor-Ceiling-Contego is pioneering the (IFRM) intumescent fireproofing industry, pushing the standards higher with each test result. Testing the 1st 2HR UL D603 Composite Steel Deck Floor/Ceiling Design back in 2018, now testing the 1st Full Scale Dimensional Lumber Floor/Ceiling (13ft x 19ft OSB, I-Joist Assembly)

Location: Intertek Laboratories
Test Date: 8.30.2022

FTSL-A2-003-Contego-Floor-Ceiling-The test specimen was tested load bearing with a 40 lb/ft2 superimposed load applied in four increments of 25% before the fire exposure, allowing for stabilization of deflection after each increment.

Contego HS Intumescent applied at a 40 Mil DFT on the Full Scale Dimensional Lumber Floor/Ceiling (13ft x 19ft OSB, I-Joist Assembly) 2×12 wood joists spaced 16-in. oc 23/32 Category OSB tongue and groove OSB subfloor with 7/8-in. Red Oak flooring planks, tongue and groove installed as finish flooring met a fire endurance period of 50 minutes before flaming was seen through the top of the sample.

When applying a finish coat to this assembly you will achieve an additional 16 minutes to total a 1:06 hour/minute fire resistance as per our ASTM E119/UL263 “The Effect of Top Coat on Contego HS Intumescent RFB” test results.

The specimen was evaluated in accordance with the following:

ASTM E119-20, Standard Fire Test Method for Fire Tests of Building Construction 

CAN/ULC S101, Standard Methods of Fire Endurance Tests of Building Construction 

UL 263, Standard for Safety for Fire Tests of Building Construction and Materials

The floor assembly consisted of the following:

  • 13ft x 19ft overall area
  • 2×12 wood joists spaced 16-in. oc spanning the 13-ft width. Center joist was a double 2×12. Fourth joist from the center in either direction was also a double 2×12 joist.
  • 23/32 Category OSB tongue and groove OSB subfloor attached to wood framing with #9 deck screws spaced 12 in. oc.
  • 7/8-in. Red Oak flooring planks, tongue and groove installed as finish flooring, fastened with 2-in. long brad nails. Three brad nails evenly spaced along width of each board at each joist location.
  • Underside of the floor assembly was primed with a water base interior and exterior primer.
  • Contego Passive Fire Barrier HS, Lot No. HS-1053, was sampled by Intertek’s Frances Martinez on June 28, 2022. This coating was first applied by brush along the wood seams. Then it was spray-applied in three coats. The coating was applied to the overall fire side of the sample with an overall average of 55.3 wet mils (39.8 dry mils).
  • 100% silicone was used as filler between double joists. The silicone sealant was then coated with the Contego Passive Fire Barrier HS with brush application.
  • The assembly was then allowed to cure for 32 days before fire testing

The Contego International floor/ceiling assembly described within this test report met a fire endurance period of 50 minutes, as per the specified performance requirements of ASTM E119, Standard Fire Test Method for Fire Tests of Building Construction and Materials.

Contego painted on floor ceiling assembly for testing

The test specimen was tested load bearing with a 40 lb/ft2 superimposed load applied in four increments of 25% before the fire exposure, allowing for stabilization of deflection after each increment. The full superimposed load was applied for 30 minutes before the start of the fire test.

Please feel free to contact us to discuss or request a copy of the test at info@contegointernational.com. You can also find this test, and many others, on our Fire Test Page (Listed under OSB, Dimensional Lumber, International and Canadian tests).

 

Quick Guide to What Makes Contego a Superior Product

SIMPLE APPLICATION

Contego Intumescent RFB (Reactive Fire Barrier) provides easy surface preparation, easy application instructions, and is water-based for easy cleanup.

There are ZERO toxins, VOCs, carcinogens and mutagens as per our ASTM D4017 “Results of Volatile Organic Compound Content (VOC) Testing of Contego (HS) Intumescent”, as well as having a no-foul-smell formulae. Because of this, Contego does not require specially contractors, specialized equipment, or specialized protective gear.

Contego can be shop applied, allowing direct-from-manufacturer solutions using standard painting equipment.

 

SUPER THIN FINISH

Contego offers super thin film technology, where beauty and form meet functionality and safety. It is aesthetically pleasing while meeting LEED standards.

Contego is top coat-able for perfect aesthetics. Top coatings increase fire resistance by about 25%.  This is based on our ASTM E-119 UL-263, ULC-S101 “Standard Methods of Fire Tests of Building Construction & Materials”, which evaluated the effect of a top coat of acrylic enamel using a highly flammable Rust-O-Leum alkyd based paint.

Contego lets you bring out the best in any design no matter what substrate needs protecting. According to our extensive test results from leading independent fire testing laboratories such as UL, Intertek, and Warrington, we can protect the following substrates with super thin coatings:


*Please note dry film thicknesses may vary depending on the substrate, the member size, and or assembly requirements by your local AHJ.

 

SUPERIOR PERFORMANCE

With unmatched latency, Contego is perhaps the only intumescent manufacturer using a dual redundant QC analysis of our entire production. We use UL, Materials Analytical Services and MAGI to critically evaluate our product on an ongoing basis using spectroflouroscopic analysis. Note how each graph over the past 20 years is essentially identical.*UPLOAD Link or graph here add chemical signature percentage. With these results, unopened product would have no expiration date.

Our revolutionary HS (high solids) formula adheres tightly to all substrates at a 630 PSI Adhesion rate, based on our ASTM D4541 “Pull-Off Strength of Coatings Using Portable Adhesion Testers”. This adhesion rate is twice that of our closest IFRM competitor and up-to 15x of SFRM “Spray On Fire Resistant Materials”. If your fireproofing material does not stick, or falls off, it can not protect the substrate in the event of a fire!

Our ASTM D-2240 test “Durometer hardness: Shore D” results were based on the average of five readings-Shore D value 66. Our ASTM D4060 “Standard Test Method for Abrasion resistance of Organic Coatings by the Taber Abraser” coating was applied at a wet mil thickness of 30 mils. Duplicate panels were tested, and the average weight loss was determined to be 295.4 mg.

Technical specs are great, but Contego also sets a NEW STANDARD in fire resistance, with a 0x0 Flame Spread & Smoke Production on structural steel, based on our UL-723/ULc-S102 ASTM-E84 “Fire Resistance Test”, as well as a 5×40 Flame Spread & Smoke Production on Dimensional Lumber or Wood products. This exceeds the results of other intumescent fireproofing materials results for steel. Now that is impressive.

Contego products are vetted, approved, and are listed as BASIS OF DESIGN on Global platforms MasterSpec and BSD Speclink  architectural software networks.

With all this proven performance, Contego International Inc. will back it up with our 10 year warranty, which is unheard of in the industry today!

 

SAVE TIME SAVE MONEY

Time is money, and you will save both with Contego.

With Contego’s intumescent technology, you can save both time and money on your project in the design phase, purchasing phase, and project phase. Let’s take a look at all three in a comparative value to both IFRM’s and SFRM’s in the market today.

Design Phase
Leading the way in the industry, our 2 HR intumescent fire rated D603 Floor-Ceiling UL-263, CAN/ULC-S10 Composite Steel Deck Design allows architects and structural engineers the flexibility to reduce the concrete slab by 40% per floor assembly and still meet building codes and fire ratings to achieve 1, 1 ½ , and 2 hour fire resistance throughout North America.

In the past, intumescent fireproofing was not an option on steel decking until our High Solids formula was tested, approved, and certified by UL Northbrook, IL to be applied to a floor ceiling assembly, thereby eliminating the need to install mesh flooring or drop ceilings to catch old technology such as SFRM debris and fibers prone to fall off the substrate ceiling.

Purchasing Phase 
Our product is super thin. In the past, intumescent paint has been expensive, and most of our competitors still are pricey due to the fact 3-4 times more of their product needs to be used to meet the same fire ratings as Contego. For example, on 2 hour fire rating see this chart:

You can use the data above and see the HUGE cost savings on both material purchased and labor factors used to apply the intumescent paint needed to build up the dry film thickness x multiple coats-increasing your cost per square foot.

We recommend you take one of your past, present, or future projects and find out how much you would save yourself with our Project Planner-Steel Calculator. Request your copy today.

Project Phase
One of the biggest challenges on a project is scheduling interchanging components, materials and sub-contractors from one day to the next and keeping the build on-time.

With Contego you can be rest assured there will be no schedule or sequencing issues. Traditional spray on fire resistant materials would require a general contractor to shut down or close off sections of the project so that HAZ-MAT team of sprayers could spray the highly toxic fireproofing materials. Contego does not require shut-downs or section close-offs. Our product contains ZERO VOCs, has no foul odor, and applicators can work alongside other subcontractors to keep your project moving forward.

So you can see, whether you are a designer, project planner, or lead contractor, the value of trying Contego on your next project from start to finish. The bigger the project, the bigger the savings for everyone.

 

FEATURED PROJECTS

When you specify Contego you are in good company. To learn about our global footprint and find out why businesses from hospitals, universities, concert venues and stadiums across Canada, to hotels, airports, airplanes and raceways in the United States, railways in Saudi Arabia, ferris wheels in Dubai, and manufacturing & shopping malls in Asia trust Contego to protect their properties. Here are some of our featured projects across the Globe

Asia:
Honda Automotive, Shanghai New Ideal Company

Middle East:
Saudi Arabia Railway, The Dubai Eye

Europe
British Antarctic Halley Research Station

United States
Hyatt Hotels, Chicago Midway Airport, Stanford University, Michigan International Speedway, Bigelow Airspace, Malstrom Air Force Base, Walgreens

Canada
William Osler Brampton Civic Hospital, MUN Memorial University Core Sciences, Budweiser Stage, Eglinton Crosstown LRT, Investors Field, Scotia Centre, Tim Hortons Event Centre, Shoppers Drug Mart, Canada Post, Bombardier BRP

 

•To schedule a conference call or ZOOM meeting please email us at info@contegointernational.com to book an appointment today!•

 

Contego Preparation and Application Information

When applying Contego intumescent paint, following the preparation and application guidelines developed over twenty years in business is a must.

If your preparation and application processes are in line with our published guidelines, Contego Intumescent will safely protect your project. We have created a series of six videos to help train your team. This first video explains how to safeguard your applicator, prepare the paint, and the type of equipment we recommend for our intumescent coating.

Contego comes in two thickness formulations:

The High Solids version (HS) has a 70% solids content and can be applied 30 mils wet, drying down to 21 mils. This preparation requires fewer coats to achieve a specified dry film thickness. Although thicker wet film coats can be applied with HS, the finish is essentially just as smooth as our Original version. The Original formula dries to approximately 50 percent of the applied amount. Due to its formulation, when the Original version dries, it is a bit smoother than HS.

The zero VOC content of both formulations has been demonstrated by testing ASTM D 3960-05, “Standard Test Method for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings.” This makes Contego a safe coating for both the applicator and those who live within the structures protected by Contego.

The difference between HS and Original is that HS has less water and more thixotropy. Otherwise, comparison of the FTIR spectraflouriscopic “signature” of each version show they are chemically identical, so both offer the same class-leading fire protection.

HS is generally used on large projects, especially on structural steel columns and beams. These structures are often not visible when the project is completed, but that aside Contego is generally thinner, lighter, and less expensive than any other intumescent coating available. Plus, applying HS makes the job go faster because it requires less product and spraying. The Original version is usually used when spraying isn’t an option and brush and roll applications are the only choice. Both versions can be top-coated to add color or sheen and to seal the surface from wind and moisture.

Regardless of where these two outstanding products are applied, there is never an issue with the material when application instructions are followed. When we hear from an applicator that they are experiencing a problem with the product, it is almost always determined that it was caused by poor preparation or application.

 

We hope you find this first video explaining how to safeguard your applicator, prepare the paint, and the type of equipment we recommend informative. Other videos in this series will soon be available that cover related subjects.

Contego International started 20 years ago in a small family restaurant in Indiana and now draws in talent from around the globe. Contego’s intumescent products are sold worldwide and are applied to many types of surfaces, including steel, wood, aluminum, drywall, foam insulation, and concrete. For more information, please explore the rest of our website, request an information kit or contact us.

Better Buildings = Healthier Workplace

Are you in line with the global initiative to build and maintain a better, safer environment?  Air Quality in the work environment – hospitals, schools, offices, commercial and residential buildings – is a big area of concern.

toxic cementitious coating

Clumpy, toxic cementatious coating

The WELL Standard* states “Pollutants generated indoors can lead to a variety of symptoms and health conditions. Volatile organic compounds (VOCs), combustion byproducts and airborne particulate matter are known to trigger nausea, headaches, asthma, respiratory irritation and allergies. While ambient outdoor air is often better quality, natural ventilation methods, operable doors and windows, and general building envelope infiltration can diminish indoor air quality if external air quality parameters are poor.”

READ THE MSDS of the Products being used on your project.  When considering required fire protection, old technology such as Spray Fire Resistant Materials (SFRM) may not meet all or any of these acceptable conditions:

  1. Formaldehyde levels less than 27 ppb.
  2. Total volatile organic compounds less than 500 μg/m³.
  3. Carbon monoxide less than 9 ppm.
  4. PM₂.₅ less than 15 μg/m³.
  5. PM₁₀ less than 50 μg/m³.
  6. Ozone less than 51 ppb.
  7. 0Radon less than 0.148 Bq/L [4 pCi/L] in the lowest occupied level of the project.
  8. Carbon monoxide levels less than 35 ppm.
  9. PM₂.₅ less than 35 μg/m³.
  10. Nitrogen dioxide less than 100 ppb.
  11. Formaldehyde less than 81 ppb.

A recent report from Mount Sinai Irving J. Selikoff Center for Occupational & Environmental Medicine Work Safely with Spray-on Fireproofing states:

Those who burn, prepare, grind, sift or sell [gypsum] are, as I have often observed, afflicted with great difficulty breathing…                                                 
-Bernardino Ramazzini

Big changes in intumescent technology made “green” fire retardant paint possible. Contego intumescent changes fireproofing from the LEED nightmare associated with most fire protection products to a valuable LEED points generator.

You might know the history; environmentally friendly fireproofing was an oxymoron. Most fire retardant paint formulas were toxic, carcinogenic, and laced with high concentrations of VOCs. Those products are poisonous in the can and on the surface.  This translates to very toxic in burn conditions.

HAZARDS IDENTIFICATION
Caution!
Causes eye irritation
Causes skin irritation
Causes severe respiratory tract irritation
May cause risk of lung disease (i.e. silicosis and/or lung cancer)

Clean latex-based, non toxic intumescent coating

Clean latex-based, non toxic intumescent coating

Do we really want to use this obsolete technology in our hospitals, schools, commercial & residential buildings?

Pressure treated fire resistant lumber (PTFR) is among the worst. According to USDA studies, the PTFR process is destructive to the lignins in the wood and would dissolve attachments, like screws and nails, unless they are stainless steel.

Then there are cellulosic and cementatious fireproofing materials. We’ve all seen them; they look like oatmeal when applied. The litigation list concerning these materials is lengthy and focused primarily on the constant deposition of tiny fibrils that get into the breathable air and are then inhaled straight into the lungs. Complaints in the majority of lawsuits have been centered on mesothelioma and other forms of cancer involving the respiratory system. In addition, when reading the MSDS of most intumescent coatings, the section on health risks contain clear warnings of both acute and chronic brain damage and damage to the central nervous system.  Not exactly environmentally friendly.

The reason for these unhealthy toxic problems is simple. The components that make various fireproofing technologies work— whether cellulosic spray-on materials, cementatious products, mastics or intumescents—are inherently unhealthy.

This was one of the big drivers when Contego began designing cutting edge solutions for the green market niche. The challenge was to find alternatives that performed as well or, in most cases, better than what was already out there, without the risks from the past formulations. This research led to our current formulation of ZERO VOCs (ASTM D4017) and ZERO TOXINS (BSS 7239-88).

Contego meets all the Benchmarks for LEED certification, Living Building Challenge, WELL Standard and Google Red List Material Standard.

GREEN isn’t the only advantage of Contego Fire Barrier Intumescent Latex. It applies at a fraction of the thickness (and weight) needed for a latex intumescent in the past. It’s finish is as smooth as paper, pure white in color and is formulated to accept any topcoat.

That’s why we at Contego say…”White is the new Green”. Air Quality in SFRM fireproofing materials are a PROBLEM, Contego’s IFRM fireproofing is the SOLUTION!  Get more information here.

Use Contego fire resistant paint is "green"

*The WELL Building Standard is administered by the International WELL Building Institute™ (IWBI™), a public benefit corporation whose mission is to improve human health and well-being through the built environment.

The Next Asbestos Debacle?

Cellulosic Material is highly friableAre you concerned about the future of projects where cementitious or cellulosic fireproofing has been applied? You should be.

An interesting set of recommendations and precautions has been offered by Mt. Sinai Hospital in New York (link to download at end below). In addition to Mt. Sinai, other major medical entities worldwide are identifying the fireproofing materials that many refer to as “oatmeal” as a probable source of various pulmonary disorders.

This is because these types of fireproofing materials are highly friable. Grab a section and pull it off. It typically isn’t hard to do. Note all of the fine particulate that breaks off with the section.  When you consider how much of that “oatmeal” material gets shed into the breathable air, it’s no surprise that medical problems could ensue.

The good news is the human body is resilient. However, concerns were originally raised in a study from 1988 by the USDOC and NIST regarding SFRMs (Spray-On Fire Resistant Materials) containing asbestos and others that didn’t. It also discusses both SFRMs and insulation materials, so it should be clear that each product has to be evaluated on its own merits (or risks).

That same particulate is in the air as you can see by how much of it settles out on every surface in a structure. harmful dust can settle in the structureOnce you breathe it in, it going to be in your body forever and potentially the source for a wide range of medical problems like COPD and mesothelioma. These and other diseases can cause respiratory impairment or even fatalities.

Perhaps that’s why many materials require everyone to leave the premises except the applicator. Then the applicator has to wear the “space suit” when working with those materials. This also causes massive scheduling delays and costs. One major GC in Las Vegas who primarily does nothing but projects valued at $120M+ said delaying his project by a month costs him $10M that he can never recover. Even a two week delay is obviously a $5M ding.

Carefully think about the materials you specify and use. Ask for an MSDS or SDS and read them. If many people read the MSDS or SDS documents, a lot of these products would be history.

Use a latex based intumescent coating like Contego. It is zero VOC and offers the same or better protection as cementitious or cellulosic without the possible associated medical outcomes down the line.

(You can download the Mt. Sinai recommendations here.)

Exciting News: This is a Truly Revolutionary Intumescent Deck Assembly

Contego’s New D603 Floor Ceiling Assembly from UL Finally Puts An End to The Cementitious Nightmare for Fireproofing Decks

Ugly cementitious fireproofing would be better with intumescent deck assembly

Gone are the days of horrifically ugly sprayed on “oatmeal” that delaminates.

Contego has been famous for cutting-edge super thin film intumescent technology – and now has a UL intumescent deck assembly for corrugate pan decking that exceeds two hours! Contego is thin, light, smooth, green and affordable as well.

As Mel Martin, in charge of Contego’s Canadian Business Development, says “It’s not a question of if it [cementitious fireproofing] will fall off, but when.”

Contego’s adhesion of 631 PSI, according to our ASTM D4541 test, is twice that of our one closest competitor and between ten and fifteen times better than most of the rest.

Structural steel is protected with Contego’s thin film intumescent coating. You can see below the pervasive damage that spray-on fireproofing typically inflicts on steel.

spray on cementitious fireproofing pervasive damage

Here’s a shot of the two types of fireproofing side by side on steel beams (cementitious behind and thin film in front).

thin film intumescent by cementitous

Of course, beams and columns also benefit from a thin film intumescent, but more on that in another post.

For now, would you prefer this:

Steel rotting under cementitious

All of that brown discoloration is the steel rotting away under the cementitious product.

Or would you prefer this:

Contego fire resistant paint goes on smooth

Historically, there were no options beyond cementitious. SFRM (Spray-Applied Fire Resistive Material) was the only way to get a rating on deck systems. No more. In the past, the only other reason to continue using SFRMs was because they were perceived as being cheap. Now people are finding severe damage to their structures where SFRMs have been applied. Some damage so bad that the building can’t be spared and people are realizing a lower initial cost is a terrible bargain just a few short years down the road.

why you do not want to use cementitious fireproofing.

Cementitious fireproofing tends to become dislodged and fall off.

With the medical community also warning against the use of SFRMs, the potential legal liabilities make SFRMs the last thing you should use.

Now all of that has changed. For those who like UL, our new D603 intumescent deck assembly clears the way to an astonishingly thin and smooth coating that can be top coated to unleash a world of creative options.

Just as important, after reviewing the raw data, the Contego intumescent deck assembly was nowhere near failure at 2 hours, so the real rating is well beyond that mark. In the near future, we will run the same test extended to three or four hours as well as a very thin coat that is consistent with our ASTM-E119, UL-263,ULc-S101 test done at Intertek in 2009.

Most of Contego’s data on steel can be viewed here on our Steel Fire Test page.

Additional UL data can be viewed on UL’s website here.

Contego Fire Barrier Scores Exceptional Test Results on UL-1715

We are excited to share perhaps the most exceptional set of test results ever announced regarding any intumescent fire barrier and its ability to protect spray polyurethane foam insulation (SPF).

SPF is unmatched as an insulation product, as well as an excellent sound and moisture barrier.  It must be protected from fire, though, in any situation where the space is being occupied or used as storage.  There are a few ways to protect spray polyurethane foam insulation, but nothing matches Contego’s reactive intumescent fire barrier coating. Contego is thin, beautiful, completely non-toxic and easily applied.

Until Contego, test results were limited to a maximum of 15 minutes, which qualified it as a “thermal barrier”.  (There is a lesser rating for unoccupied space called an “ignition barrier”, but there are several products that can do this, so that is of little interest to us.)

Now all of that has changed. You can check out a live burn of spray polyurethane foam in the video below (2nd half):

Even though a few spray foam products are marketed as being fireproof, you can see that they are not. However, with two coats of Contego’s intumescent fire barrier, SPF is protected well above and beyond code requirements. Even repeated burns can’t get to the foam when coated with Contego.

Here’s the exciting part. Note that all metrics were flat by 6:00.00 and remained so until the end of the test. Had the test been able to run for multiple hours, it is only logical to assume it would have performed no differently than it did at 6:00.00. This is further supported by our EN-13823 test outcome, which you can view (here-part 1 and here-part 2), that also flat lined in under six minutes and stayed flat for an additional 20 minutes before the test was terminated. Is one hour now possible? How about two? Frankly, it would have been able to go all day.

Click here to view the formal, finished report from UL describing the results of using Contego fire barrier on GACO western foam using the UL-1715 standard.

Please see our Polyurethane Foam Fire Test page if you would like to see other Contego fire barrier tests on spray polyurethane foam insulation.

9/11 and Why Adhesion Matters with Fire Retardant Paint

delamination of paint coating

The delamination on this example shows that poor application can cause failure of adhesion just as an explosion can.

Utilizing fire retardant paint for your fireproofing needs is more than just adhering to building guidelines — it can mean life or death. The tragedy of 9/11 made the case for that point forever.

“If the steel in the World Trade Center could have been adequately protected for just a little longer, it might not have fallen,” says Tony Scott, Contego executive vice president.

As flames engulfed the Twin Towers, the steel was exposed to temperatures of more than 2,000 degrees Fahrenheit, hotter than a normal cellulosic fire because of the jet fuel.

However, an even bigger problem was the total failure in adhesion. The impact completely stripped the substrates of their protective coating.

When heated to 1,000°F, steel loses half its strength: For instance, a beam supporting 2,000 tons could only support half that weight at 1,000°F, putting the entire structure at risk. “The World Trade Center collapsed because it could no longer support itself,” says Scott, “The weight of the floors above the failure acted like a pile driver collapsing the floor below. The increasing momentum guaranteed the total destruction of the Towers.”

Contego thin film acrylic copolymer latex protects against fire

By making sure you’ve used an intumescent product with excellent adhesion, you’ll keep structural steel (or any underlying substrate) cool and intact during a fire.

Fire retardant paint keeps steel from reaching dangerous temperatures by insulating the substrate, even in extreme conditions. As flames heat the steel, the substrate loses shape. But fire retardant paint with strong adhesion allows the coating to continue to stick to the steel without flaking off.

While the fire might be burning at 2,000 degrees Fahrenheit, the coating keeps the steel at a safe temperature for as long as possible.

Fire-resistant coatings can’t withstand heat indefinitely, but the aim is to protect the steel long enough so the fire burns out or help arrives.

Furnace fire tests and control burns show that Contego protects steel “extremely well for up to three hours restrained,” says Scott.

For more on the best way to test the adhesion of fire retardant paint and how to pick the perfect fire-resistant coat for your project, download our eBook.


Click here to get the ebook on Adhesion and Intumescent Paint