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.

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. 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. The higher the r value the greater the insulating power. R values of uninsulated concrete.

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. 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. Most such r value tables ascribe an r value of r 0 87 for wood shingle siding. 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.

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. Achieve a higher total r value by combining two different r values. R inch r thick ness insulation materials fiberglass batt 3 14 fiberglass blown attic 2 20 1 fiberglass blown wall 3 20 rock wool batt 3 14 rock wool blown attic 3 10 rock wool blown wall 3 03 cellulose blown attic 3 13 cellulose blown wall 3 70 vermiculite 2 13 air entrained concrete 3 90 urea terpolymer foam 4 48. Fiberboard sheathing 1 52 gypsum wallboard or drywall 0 90.

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. It s about 1 2 inch thick wood fiber panels with interlocking male and female grooves an tongues. Here s a closeup shot of the side of an inselbric panel. Energy and the environment.

Therefore the doe s value is on the high end of the r value of a log wall. This asphalt siding is an ingenious product. When you re purchasing insulation buy or specify r value not inches as r values of materials vary. As we said before the r value measures the thermal resistance of a material.