Asphalt Siding R Value

Cea unit 2 lesson 2 2 cost efficiency and analy sis r value and densities chart page 1 r value and densities chart material r value per inch r value per unit inside air film 0 68 air space between studs 0 95 building paper 0 06 in.

Asphalt siding r value.

It s about 1 2 inch thick wood fiber panels with interlocking male and female grooves an tongues. 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. This asphalt siding is an ingenious product. 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.

Energy and the environment. If you are using thicker 5 8 inch shingles the installed siding will have an r value of at most about r 1 9. 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 star fiber glass insulation fact.

Therefore the doe s value is on the high end of the r value of a log wall. 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. Fiberboard sheathing 1 52 gypsum wallboard or drywall 0 90. For example r 38 added to an r 11 results in r 49.

When you re purchasing insulation buy or specify r value not inches as r values of materials vary. Here s a closeup shot of the side of an inselbric panel. R values of uninsulated concrete. The higher the r value the greater the insulating power.

Most such r value tables ascribe an r value of r 0 87 for wood shingle siding. Achieve a higher total r value by combining two different r values. 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.