Also i think this is counterintuitive but should any venting be applied between rafters and spray foam.
Spray foaming cedar roof.
Spray foam can prove something of double edged sword where costs are concerned according to rlc engineering.
We re looking at potentially 10 more years of this roof being ok.
The advice we were given by our spray foam company was to get a new roof now or just wait until we have finally have a new roof.
Spray foam insulation asphalt shingles flat gaco silicone hydrostop acrylic cedar wood shake metal copper steel tile monier japanese and solar fans.
Apparently in portland or when they finally change the roof they will scrape off the cedar and put down plywood to attach tar shingles to.
Shingle warranty after spray foam attic insulation.
Now more than ever architects are beginning to use materials and design features more common in commercial construction when building domestic homes so spray foam has a.
The current roof is plywood sheeting with cedar shingles.
While covering a given area with spray foam costs more initially than the equivalent amount of mineral wool batting or other insulating materials its ability to fill even tiny spaces completely enables it to provide greater thermal resistance leading to greater energy efficiency and.
They are exploring replacing the roof as well.
Spray foam roofing has become a particularly popular solution in the commercial roofing industry but that doesn t mean it can t be right for your residential roof.
Serving as both an air sealant and an insulator spray foam is estimated to reduce the standard hvac sizing by about 35 on average.
Benefits and pitfalls of spray foam insulation according to the us environmental protection agency epa spray foam is recognized as a premier alternative to the batt insulation of years past.