Asphalt Siding R Value

When you re purchasing insulation buy or specify r value not inches as r values of materials vary.

Asphalt siding r value.

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. It s about 1 2 inch thick wood fiber panels with interlocking male and female grooves an tongues. This asphalt siding is an ingenious product. Fiberboard sheathing 1 52 gypsum wallboard or drywall 0 90.

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. 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. As we said before the r value measures the thermal resistance of a material. For example r 38 added to an r 11 results in r 49.

R values of uninsulated concrete. 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. 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.

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 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. Achieve a higher total r value by combining two different r values. 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. 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. Here s a closeup shot of the side of an inselbric panel. If you are using thicker 5 8 inch shingles the installed siding will have an r value of at most about r 1 9.