Mineral Wool Batt Insulation R Value

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.

Mineral wool batt insulation r value.

The raw materials are melted in a furnace at temperatures above 2 600 f. This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames. Mineral wool batts for 2 4 walls have an r value of 15 while a standard fiberglass batt made to fit in a 2 4 wall has an r value of 11 or 13. It is available in multiple thicknesses densities and various facings by product type.

Ceiling insulation r value r value for walls and more. Johns manville mineral wool tempcontrol batts offer r values up to r 30. It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and.

Reflected by its r value mineral wool s insulating performance is achieved by its densely packed fibers. As a benchmark one inch of solid wood has an r value of 1. May collect debris allergens mold also referred to as rock wool slag wool glass wool but not fiberglass 3 3 4 5 mineral wool r 11 6 1 2 8 3 4 mineral wool r19 7 1 2 10 mineral wool r22 10 1 4 13 3 4 mineral wool r30 13 17 1 4 mineral. Mineral stone wool insulation batts are slightly better insulators than the off the shelf fiberglass batts sold at most lumberyards and home centers.

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. Its high resistance to heat flow translates into. Rockwool comfortbatt is a semi rigid stone wool batt rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. Questions page 2 y 2020 m 9 d 24 h 15cst bvseo bulk prod bvqa vn bulk 3 0 12.

R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. Mineral wool insulation rock wool 3 2 3 7 20. The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness. 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.

Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations.