R Tech Insulation Which Side Out

Some of the insulation in the attic is the stuff that blows on and doesn t have a paper side.
R tech insulation which side out. The metallic facer on insulfoam r tech may provide additional r value if it s facing a dead air space of 3 4 or more. Which way does the metallic side of insulfoam r tech face. R 7 7 rigid foam insulation. I saw r tech today with one side foil faced.
He said since it was low i could roll out r 30 on it which i did. R 10 scored squared edge insulation sheathing. In an existing home adding insulation to the exterior of the basement walls is impractical. What is the r value of insulfoam insulation.
R tech is available with factory adhered metallic reflective facers white facers or a combination of the two. Interior basement wall insulation has the following advantages. R5 radiant acoustic insulation kit stc 19 5 piece. I had a guy come over from the electric company to tell me how to save on energy cost.
Foamular 250 2 in. The foil faced ive used in the past has always been foil both sides or no foil at all. Vapor barriers are sheets of plastic or other material placed on one side of insulation sheets. R tech panels are an engineered rigid insulation consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers.
I put the paper side facing toward the inside of the house. Foil insulation is a radiant barrier and it works by. I have always installed foam direct to sheathing then wrb with either drain wrap or drainage plain then siding. In any case the vapor barrier must point to the warm side.
Im wondering what thoughts are on which way the foil face should go in a mostly heating days climate.