Asphalt Siding R Value

Therefore the doe s value is on the high end of the r value of a log wall.

Asphalt siding r value.

This asphalt siding is an ingenious product. Most such r value tables ascribe an r value of r 0 87 for wood shingle siding. If any readers think that the r value of cedar shingles might be higher it s worth consulting standard r value tables for a reality check. Concrete homes magazine web search 5 18 2010 r value for concrete glass other materials wikipedia web search 5 18 2010 citing ristinen robert a and jack j.

For example r 38 added to an r 11 results in r 49. Energy star fiber glass insulation fact. Georgia pacific s fiberboard wall sheathing offers high insulation value a sturdy panel and sound deadening and can be used in many above ground applications. Achieve a higher total r value by combining two different r values.

R value table common building materials siding materials hardboard 1 2 0 34 plywood 5 8 0 77 3 4 0 93 wood bevel lapped 0 80 aluminum steel vinyl. Energy and the environment. This cost efficient product features interknit wood fibers that protect against on the job abuse and help supplement required wall bracing in traditional stud wall construction. The higher the r value the greater the insulating power.

If you are using thicker 5 8 inch shingles the installed siding will have an r value of at most about r 1 9. As we said before the r value measures the thermal resistance of a material. Fiberboard sheathing 1 52 gypsum wallboard or drywall 0 90. It s about 1 2 inch thick wood fiber panels with interlocking male and female grooves an tongues.

For instance if you have a material with an r value of 12 attached to another material with an r value of 3 then both materials combined have an r value of 15. Asphalt siding material was made in two common versions one much like asphalt roof shingles but in larger sheets right side of the building photo near the top of this article and the other was comprised of an asphalt coating laminated to hardboard siding material or laminated to a softer wood based insulating board panel often sold as. R values of uninsulated concrete. When you re purchasing insulation buy or specify r value not inches as r values of materials vary.