Articles that explain building insulation and roof insulation by Jack Gray, a roofing expert with over 25 years in the roofing industry.
EIFS Cladding Systems Overview “EIFS” stands for “Exterior Insulation and Finishing Systems” and it’s an extremely popular exterior wall covering for both commercial and multi-family residential construction. EIFS (commonly pronounced “EEFS” or “EEF-ess“) was first used …
Introduction For a detailed introduction to the concept of R-value, see my introduction to R-value. The R-value chart that I put together here provides typical building insulation R-values, the R-value of roofing materials like shingles and single-ply membranes (roof covering materials), as well as other building materials. I provide RSI values as well. These R-values were taken …
Introduction R-value is critical attribute of low-slope roofing with above-deck insulation where the roof is a part of the building’s thermal envelope. The code-required roof R-value guides the selection of the type of insulation to be used, the amount of insulation, and the installation method of the insulation. A good understanding of R-value will help …
Introduction I’ve done a lot of research on roof replacement costs for my clients over the years, and I stay current with changes in material and labor pricing across a wide range of roofing systems, including spray polyurethane foam (SPF) roofing. I thought putting together an accurate, regularly updated table of SPF roofing cost estimates …