Wood Fiberboard Insulation R Value

High r value rigid insulation board and roof underlayment in one made from moisture resistant wood fibers.

Wood fiberboard insulation r value.

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. High r value 2 5 r. Provides significantly more thermal insulation r value than wood fiber or gypsum boards. Protector hd allows easy efficient scoring cutting and snapping which permits fast tight fabrication and all in a low dust environment.

Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. 1 01 1 41 softwoods 0 71 hardwoods the r value of wood varies by wood density species moisture content. In simple terms r values measure the effectiveness of insulation and a higher number represents more effective insulation. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7.

Soft wood lumber 1 25 2 inch nominal 1 inch 1 88 2 x 4 3 inch 4 38 2 x 6 5 inch 6 88 cedar logs and lumber 1 33 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. With our partnership with w. Meadows blue ridge fiberboard provides a combined 170 years of experience in the construction industry. Our celotex brand of fiberboard is used in multiple applications including roofing residential construction and commercial applications.

Meeting code mandated r values if for example you need an r value of 25 you would need 9 inches for perlite to 4 46 inches of thickness for isoboards. For all your fiberboard needs choose blue ridge fiberboard. R values per inch for commonly used roof insulation boards range from 2 7 for wood fiber perlite and foamed glass to 5 for extruded polystyrene and 5 6 for isoboards. Flexible thermal insulation from wood.

According to go lab president josh henry and marketing director matthew mcconnell the company is gearing up to produce wood fiber insulation in a former paper mill in madison maine. High quality single ply construction. Wood fiber insulation and cellulose insulation are made from the same raw material but cellulose is newspaper whereas wood fiber comes from softwood chips. Aging effects comments.

Flexible insulation boards made from natural wood fibres. Sarking and sheathing boards for roofs 5. As a benchmark one inch of solid wood has an r value of 1. Wood r values log wall r values vary 16.