Spray foam is inert when installed properly to manufactures specifications. First being the correct application parameters and second there is the specialized equipment that is needed for proper installation.
We feel there are 4 basic questions you always should ask your contractor.
Are you insured? Can you show me proof of liability insurance for my specific project?
Are you factory certified and trained? Can I see a copy of certificates from the foam company? The contractor should be able to provide you with a copy of their training certification.
Do they offer you a quality control report on your project?
Do they offer a machine generated proof of accuracy in application of your spray foam? Waterway Insulation has specialized equipment to ensure that your spray foam insulation is applied on ratio throughout the whole job. Every Time. Guaranteed. In writing.
All foam is NOT created equal, we install the highest R Value foam available (7.2 to 7.5 per inch after 2”) and our foam has the lowest global warming potential (GWP) blowing agent technology available on the market.
Yes, you need some form of fire barrier. We offer DC315, which is a fully tested and approved intumescent coating to meet 15 minute Thermal Barrier and Ignition Barrier protection over Spray Polyurethane Foam (SPF). DC315 meets IBC/IRC codes in the USA, Canadian NBCC and many international Building Code Requirements. DC315 is only needed if you are going to leave your spray foam insulation exposed.