Mineral Wool Insulation R Value Chart
It is available in multiple thicknesses densities and various facings by product type.
Mineral wool insulation r value chart. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and. Comfortbatt is a stone wool insulation product for use in wood and steel framing in both new residential and commercial builds and renovations. Johns manville mineral wool tempcontrol batts offer r values up to r 30. R value is used to measure materials ability to resist heat or in other words resistance of a material unit to heat transfer.
R value figure can be calculated from the equation. Ceiling insulation r value r value for walls and more. 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. Notes to the table above.
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. Reflected by its r value mineral wool s insulating performance is achieved by its densely packed fibers. R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. 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.
Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. Notes on the r value k values of different forms of asbestos. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. 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.
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. R value thickness m thermal. The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness. Its high resistance to heat flow translates into.
As a benchmark one inch of solid wood has an r value of 1. This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames.