Mineral Wood Insulation R Value

Wood r values log wall r values vary 16.

Mineral wood insulation r value.

Bricks are generally 4 inches thick so it is important to look at r value for 4 inch bricks rather than an r value of brick in general. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Mineral wool insulation is made from rock and blast furnace slag. Aging effects comments.

So that means for standard 2 4 wall mineral wool comes in r 15 batts while fiberglass comes in r 11 or r 13. Our calculator helps you measure what r value for exterior walls you may be looking for as well as for different applications. Its high resistance to heat flow translates into. 1 01 1 41 softwoods 0 71 hardwoods the r value of wood varies by wood density species moisture content.

Fiberglass has an r value of between 2 2 to 2 7 compared to mineral wool weighing in at 3 0 to 3 3. The semi rigid batts are denser than traditional batts or rolls and. The raw materials are melted in a furnace at temperatures above 2 600 f. 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. R value is a big deal in insulation so lets see how they stack up. Ceiling insulation r value r value for walls and more. For 2 6 walls mineral wool comes in r 23.

Johns manville mineral wool tempcontrol batts offer r values up to r 30. 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. 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. The closer a climate gets to an extreme in heat or cold the more necessary it becomes to use insulation with a higher r value.

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. Reflected by its r value mineral wool s insulating performance is achieved by its densely packed fibers. Insulation calculator the insulation. R value insulation chart now use the r value table to determine the recommended r value you need.

The r value of thermafiber mineral wool insulation ranges from 3 7 4 2 per inch of thickness. In addition the same substance with a different thickness has a different r value. It is available in multiple thicknesses densities and various facings by product type.