Flame Stopper

February 17, 2009 by
Filed under: Uncategorized 

abesco-fp200The old “stop, drop, and roll” routine and basic fire extinguisher skills are very useful, but if you’re trying to prevent flame and smoke from spreading through wall penetrations, neither will do you much good. What you really need is an intumescent filler material like Abesco‘s FP200 Fire-Rated Foam. This firestop-in-a-can fills in the gaps where cables or pipes pass through walls, ceilings, and floors, to maintain a tight seal that inhibits fire spread between rooms.

So how does it work? As I mentioned before, Abesco FP200 is intumescent, which means that it expands and forms a hard, impenetrable char when exposed to fire. This char has the ability to seal out flame, smoke, toxic fumes and water for up to 2 hours of fire exposure. The foam can be used to seal gaps in concrete, brick, wood, and metals like aluminum and steel, and its performance isn’t affected by humidity or moisture. As a matter of fact (and I think this is pretty fascinating),  after application it actually cures (dries) upon being exposed to atmospheric humidity!

Abesco FP200 foam has been fire-rated according to the requirements of ASTM E-814 (UL 1479), contains no chlorofluorocarbons (CFCs), and is environmentally friendly.

View the Product Page


10 Comments on Flame Stopper

  1. Dhana on Tue, 10th Mar 2009 3:56 am
  2. Hi,

    May I know if this product has FM certificate?

  3. admin on Tue, 10th Mar 2009 11:28 am
  4. Hi Dhana,

    I looked into the product a little further, and as it turns out, it doesn’t have an FM certificate. However, it is UL classified in both the US and Canada, and is certified according to the 2-hour flame resistance standards of ASTM E-814 (in the United States) and the 4-hour flame resistance standards of BS 476-20 (in the United Kingdom). Hope that helps!

  5. Tony anstine on Mon, 1st Jun 2009 12:43 pm
  6. Hi ,
    I have an application that I can use this product in but my customer is asking for a 4 hour rating. I see it has a 4 hr rating under the BS 476 part 20 but not under the ASTM E814 nor the UL 1479. Not sure to purcahse product with this kind of contradiction not knowing how the standards compare with one another? Is one more rigid then the other? Any advise would be greatly appreciated since product would be easy to install versa using a competitors product.


  7. admin on Mon, 1st Jun 2009 2:52 pm
  8. Hi Tony,

    From your question, it sounds like the job you’re working on is in the United States. If that’s the case, you wouldn’t want to use this product, because, according to US standards, it only has a 2-hour fire protection rating. The discrepancy you see between the products fire ratings (2 hours in the US, 4 hours in the UK) is due different test methods and standards used by these two countries. If you were in the United Kingdom, it looks like you’d be in luck!

    I know you mentioned that it would be a lot easier to deal with the Abesco foam than to use a competitor’s product, but for the time being, the only somewhat-comparable product that provides up to a 4-hour rating is Fire Barrier 2000 Sealant by 3M™. It’s a silicone-based caulk that you can apply with a caulking gun – not too different from dispensing foam from a can, so it shouldn’t be a hassle to work with (but then again, I only know a few of the details). If you’re interested, you can check out the Fire Barrier 2000 details and specs at http://cableorganizer.com/3m-fire-protection/fire-barrier-2000.htm.

    I hope this info helps, but if you have any other questions, please feel free to ask!

  9. Tom Whitworth on Thu, 5th Nov 2009 1:15 pm
  10. I need to fill the 1 1/2 X 1 1/2 X 2 inch spaces created by 2X6 fire blocking in a 2X4 staggered wood stud sound wall on 2X6 plates. It sounds like this product will fill a horizontal space this size. Is this product designed to be used in this application? Thanks, Tom

  11. Christina Hansen on Thu, 5th Nov 2009 2:38 pm
  12. Hi Tom,

    Being that I’m not a contractor, it’s a little tough to give a concrete answer, but I can give you one to the best of my knowledge. I just found some blueprints online for walls that are virtually identical to the one you described, and based on a combination of those diagrams and the product specs, I’m nearly positive that this product would be well-suited to your project.

  13. alan giddens on Sun, 17th Jan 2010 6:03 pm
  14. I work in a facility which makes plywood and one of the processes is to dry wood in “kilns”. After a while some of the existing grout has worn and I am wondering if this foam could stand up to heat up to 400 degrees F for any length of time. I am trying to seal the smoke inside. If it cures to the hardened state would that stand up to heat??

  15. Christina Hansen on Mon, 18th Jan 2010 9:36 am
  16. Hi Alan,

    I hate to say it, but this foam won’t work for your particular problem – sorry! It’s rated to tolerate ambient temps up to 210 degrees Fahrenheit. Once it’s exposed to fire or extremely high temperatures, the foam expands into a smoke and flame blocking char, but that said, the seal is only rated for up to 2 hours, and after that, the material has to be scraped out and replaced. It’s really intended as a “just in case” safety measure – it’s not formulated for continuous exposure to temperatures as high as the ones reached in your kiln.

    It looks like re-grouting is your safest option. Good luck!

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