Spray Foam Attic Floor Or Rafters

We had frost in the attic and received a contractor estimate of 5 000 00.
Spray foam attic floor or rafters. Polyurethane or polystyrene spray foams can provide thorough coverage to roof rafters and attic walls in much less time than is needed for other materials. R value of 7 in 1 inch 97 closed cell foam. The best attic insulation. Class i e 84 fire retardant meets building code spec.
Can i top it off with that roxul safe and sound insulation. Being a residential spray foam insulation contractor since 2001 we ve insulated our fair share of attics with spray foam sometimes the attic floors and sometimes the attic rafters. 1a attic access door. A properly done spray foam job not only insulates but also greatly reduces the air leakage of.
I had my attic rafters spray foamed in. Spray foam insulation is an incomplete name. In this article i ll discuss the reasons why you may want to insulate the. Plus shipping and accessories were flawless.
The most energy efficient option would be to provide a good air seal on your attic floor seal up any penetrations and create a vented attic. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. It really should be called spray foam insulation and air barrier. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor.
Spray foam an attic when to choose floors vs. This compared so well plus we have cleaner air. I m planning to use an open cell spray foam in the 2x6 joist between my basement and first level. Encapsulating the rafter or top truss chord roof framing members with spray foam will improve the energy efficiency of the attic space.
Get your kits the easy to use spray foam kit. Both systems work well they are just different and have their own pros and cons. Unlike solid insulation products that require careful measurement cutting and fitting spray foam can cover even the most uneven surface instantly. 100 free of cfcs vocs penta bdes urea formaldehyde.
If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. Robert o nj. Use closed cell foam it green for attic rafters. This is because the effects of thermal bridging are limited which also results in the elimination of melt lines on the roof surface in cold climates.