Mineral Wool Insulation Board R Value

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Mineral wool insulation board r value.

The raw materials are melted in a furnace at temperatures above 2 600 f. Loose fill such as fiberglass cellulose mineral wool 8 23 inches thick 30 50. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Closed cell polystyrene spray foam 1 inch thick 6 5.

The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness. Mineral wool insulation is made from rock and blast furnace slag. The molten substance is spun into billions of fibers which are formed into insulating blankets with a high recycled content that provide fire resistive characteristics thermal insulation and sound control. Thermafiber mineral wool insulation products are comprised of semi rigid and rigid boards and batts.

Thermafiber fire and sound guard mineral wool insulation batt 24 bags model sg 25 p3 15 47 221 view the owens corning thermafiber mineral wool insulation 1 020 63 pallet. Johns manville mineral wool tempcontrol batts offer r values up to r 30. Owens corning 15 in. R value is a measurement that rates how resistant a product is to heat flow measuring the ability of heat to transfer from one side of an object to another.

For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. Comfortboard 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope. R value cost sq.

Give the insulating value of any material of interest in constrution for example. Ceiling insulation r value r value for walls and more. Noncombustible fire and moisture resistant they are designed to deliver thermal control and delay the spread of fire in wood stud cavities of exterior walls basements and heated crawlspaces. Mineral wool resists mold fungi and is vermin proof due to its being an inorganic material.

Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. Choose mono density insulation in thicknesses up to 2 or dual density in thicknesses of 2 5 to 6. These tables give r values of all sorts of materials in alphabetical order with direct links to some popular insulating materials.