R Value Of Wood Sheeting

R value of typical 3 4 thick pine softwood about r 1 25 30 wood door solid per inch.

R value of wood sheeting.

In general one inch of solid wood is considered to have an r value of 1. Ready to find the supplies you need in your local store. Sheathing materials plywood 1 25 inch 0 31 inch 0 47 inch 0 63 inch 0 77 inch 0 94 fiberboard 2 64 inch 1 32 inch 2 06 r value of building materials material r inch r thick ness fiberglass inch 3 00 1 inch 4 00 inch 6 00. Osb thickness inch r value 3 8 0 45 7 16 0 51 1 2 0 62 5 8 0 74 3 4 0 91 plywood thickness inch r value 1 4 0 31 3 8 0 47 15 32 0 59 1 2 0 62 19 32 0 74.

The general plywood r value per inch is 1 25. As we said before the r value measures the thermal resistance of a material. In exterior walls add insulating sheathing to achieve a greater r value in your wall system. The r value of wood varies by wood density species moisture content.

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.