Mineral Wool Insulation R Value Chart

Ceiling insulation r value r value for walls and more.

Mineral wool insulation r value chart.

The common denominator among varieties of insulation is the r value. It is available in multiple thicknesses densities and various facings by product type. R value thickness m thermal. Notes on the r value k values of different forms of asbestos.

This semi rigid batt has a unique flexible edge designed to compress as the batt is inserted into walls attics ceilings and floor frames. 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. 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.

Johns manville mineral wool tempcontrol batts offer r values up to r 30. 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 of thermal resistance and measures the ability of heat to transfer from one side of an object to another. As a benchmark one inch of solid wood has an r value of 1.

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. The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness. Reflected by its r value mineral wool s insulating performance is achieved by its densely packed fibers. 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 figure is usualy provided by the manufacturer of a particular insulation product and is shown in the product description. R value is used to measure materials ability to resist heat or in other words resistance of a material unit to heat transfer. Notes to the table above. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and. R value figure can be calculated from the equation.