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- Click Here for MSDS
- Click here for photos (1" sample, aged R-value of 6.2)
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FoamLok 2000 is a 2 LB density closed cell foam that has almost no vapor or air permeability. The product in and of itself is considered a vapor barrier by Code. FL2000 is a 2-part spray applied polyurethane cellular foam plastic. The product is sprayed on as a liquid, expands, and cures within minutes. The major differences between FL2000 closed cell foam and FL 500 open cell foam are as follows:
- Aged R-value of 6.2 per inch of depth (open cell is 3.9 per inch)
- Vapor Barrier (Open Cell allows vapor to move through in greater amounts)
- Structural (open cell foam has the consistency of angel food cake)
- More Expensive (more materials are needed to produce an "R" of Closed Cell)
Although FL2000 is suitable for almost any use, our typical installs of this product include:
- Commercial coolers and freezers where moisture control is difficult (high vapor drive)
- Older structures where high R-value is needed in a limited space
- Crawl spaces where moisture is significant
- Areas where foam may take a physical beating and strength is needed
Our paper Open vs. Closed Cell Foam is a great source for an even more detailed comparison of the products. Remember, if you're confused, just contact us. We work with these products every day!


