This particular option comes out as a bright white foam. © 2020 The Taunton Press, Inc. All rights reserved. I have never seen any evidence that open-cell foams (on average) are more resistant to fire or to ignition than closed-cell foams. The textured surface works better than a completely smooth one. FIlls gaps up to 1″ large. It comes out as an off-white color. It expands up to 1″, while some others on this list only expand 3/4″. How about open cell spray foam? Don't be afraid -- start reading, and keep asking questions. Black foam will blend in better and be less visible than white foam when used on outside pipes and walls, but you can also use this one indoors if necessary. GREAT STUFF™ Pestblock Insulating Foam Sealant blocks insects and pests from entering the home by sealing gaps, cracks, and holes where they commonly enter. The insulation has been ruined by rodents. However, if open-cell foam is installed at a thickness of at least 4 inches, it can be an acceptable air barrier. Thank you both for your thoughtful responses. Fiberglass batts should never be installed in a basement or crawl space. Btw, how expensive is pouring concrete (it's less than 500 sq feet)? Use for filling gaps and cracks around wiring and plumbing penetrations, HVAC ductwork, basement and crawlspace drafts, sill plate & rim joists, attic hatches, under baseboards ... cheap price suspension polyvinyl chloride grade pvc-s-6669gs import congo, chlorinated paraffin adhesives cost somalia, high quality chlorinated paraffin caulks sale japan, chlorinated paraffin flooring import canada, high quality chlorinated paraffin additives price finland, chlorinated paraffin furniture for wires cables egypt, chlorinated paraffin wax cpw 52 export russia. It seemed that replacing the ruined insulation with 3" of closed cell foam that would be clean and rodent-resistant would be an easy choice. It is easy to use and apply with its attached straw applicator and provides a quick durable seal from the elements. Cons: It’s still possible for leaks to occur and for the nozzle to dry out. The insulation has been ruined by rodents. Either closed-cell spray foam or rigid foam insulation is a better choice. This option from Great Stuff is specifically formulated for blocking out insects. (3) will the initial drying phase of the concrete harm the house? It seals holes up to 1″ wide to help block drafts and insulate. I am told mice don't normaly chew through the open cell stuff. There is insulation in the ceiling of the basement of the type that you roll out, as well as the floor of the attic. It also works well for regular insulation purposes, too.