Mineral Wool Insulation R Value Per Inch

The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness.

Mineral wool insulation r value per inch.

Its high resistance to heat flow translates into. Sheep wool insulation r value equals or often surpasses that of other insulation materials. R value denotes resistance to heat flow. The r values of each product are 3 6 per inch and 4 3 per inch respectively.

Fiberglass insulation rated at r 15 to fit a standard 4 inch wall costs around 0 50 per square inch as of 2013 according to fine. Asbestos cement board r value. These products offer superior long term thermal efficiency fire resistance moisture control acoustic performance and are compatible with numerous framing systems and cladding attachment systems. Fire resistant to temperatures above 2 000 f 1 093 c.

Up to 4 3 r value per inch of thickness. Estimated r value of asbestos insulation per inch for pipe insulation corrugated paper. Asbestos lagging and paste will have a lower value. R value at 75 f 3 7 per inch of thickness.

Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. Cavityrock is a semi rigid insulation board designed for exterior cavity wall and rainscreen applications. Ceiling insulation r value r value for walls and more. Astm e970 0 12 w cm 2 0 11 btu ft 2 s water vapor.

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. Sheep s wool batts for a 2 by 4 inch and 2 by 6 inch stud framed wall offer an r 13 and r 19 value. It can hold large quantities of water which is an advantage for use in some walls but repeated wetting and drying can leach out the borate. Exceptional sound and noise absorption.

3 3 4 5 mineral wool r 11 6 1 2 8 3 4 mineral wool r19 7 1 2 10 mineral wool r22. It is available in multiple thicknesses densities and various facings by product type. Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. 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 use as insulation sheep s wool is also treated with borate to resist pests fire and mold. The higher an insulation s r value the greater its insulating power. Reflected by its r value mineral wool s insulating performance is achieved by its densely packed fibers. Havelock wool offers both wool batt and blow in insulation.