#025B Boost Liquid Fortifier
Bulletproof foam? Not yet, but this is about as close as you will get. When Boost liquid fortifier is mixed with our Foam Coat it makes it incredibly strong and weatherproof, plus makes it stick to almost anything! Typical proportion for Boost to dry mixture:
WARRANTY: HWFF Inc./dba Hot Wire Foam Factory warrants this product to be of merchantable quality when used or applied in accordance with the instructions herein. The product is not warranted as suitable for any purpose or use other than the general purpose for which it is intended. Liability under this warranty is limited to the replacement of its product (as purchased) found to be defective, or at the shipping companies’ option, to refund the purchase price. In the event of a claim under this warranty, notice must be given to The Hot Wire Foam Factory in writing. This limited warranty is issued and accepted in lieu of all other express warranties and expressly excludes liability for consequential damages. MSDS available on request.
Hello, I am using two part expanding polyurethane foam to cast garden sculptures rather than cement. The purpose is so clients who cannot hoist an 800 lb piece of work can still have one in their garden. Would you recommend the Exterior Foam Coat for this? I see the Boulder Image gallery where they have done similar work and it appears to be holding up to lots of moisture and use. Any tips on getting it sticky enough for this type of foam or will mixing it with Boost be enough? Only problem is its glossy and doesn't have much tooth.
Hi Ron, People who have been using the two part expanding polyurethane foams like Great Stuff can't get our coatings to stick too well. Probably because they are waterproof. Several customers have recently tried adding Boost to All Purpose and to Exterior Foam Coat with one reporting back that they adhered well. I can't vouch for this as I haven't tried it myself.
Note that subsequent layers do not need Boost. If you go thicker than 1/8" with Boost you could get some surface fissures. We have applied up to 1/2 thick layers of straight Exterior Foam Coat with no cracking.
One of the most difficult parts of coating foam is getting the first layer to leave the brush to go onto the foam, so, yes, hopper-spraying at least the first coat on to give some 'tooth' to the next layer is a smart technique. Pancake batter thickness seems to work well in our hopper guns. We, and many of our customers, have made very strong realistic boulders out of the inexpensive white beaded EPS foam rather than that toxic and hard to work with polyurethane foam.
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