Metal Building Roof Insulation R Value

More insulation value for less money.

Metal building roof insulation r value. The white backing gives the metal building a nice clean bright finish in the inside. Each has a corresponding r value which is a measure of the insulation s ability to counteract condensation higher is better. Upgrading your insulation package to a double layer high r value system will further decrease your energy costs and reduce your payback period by several years. Properly installed metal building insulation greatly reduces your ongoing energy costs.

Below is a listing of the accepted r values for fiberglass blanket insulation of different thicknesses when properly installed in metal buildings higher numbers indicate greater effectiveness. A full discussion of r value is beyond the scope of this page but most people have already encountered it. R value of roofing materials and building insulation. Rhino steel building systems combines three of the best insulation choices into one highly effective metal building insulating system.

Insulation or other building material 9. Fiberglass insulation roll options when choosing metal building insulation there are several thicknesses or r value s to choose from ranging from 2 5 8 r 8 to 9 5 r 30. Polyurethane spray closed cell foam insulation. Aging effects comments.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. National roofing contractors association. R value r 6 r 10 approx midwest steel carports inc does provide bubble insulation. Two layers of insulation are installed and held up with metal bands to achieve a high r value.

Required to be fire retardant a high grade vapor barrier adds another layer of fire resistance to a steel building. Bubble insulation comes in foil on both sides or foil on one side and white on the other no difference in performance. The pro value insulation system. Multiple thicknesses or layers can be combined in a double layer system to achieve high r values.

The good news is this potential problem is easy to prevent by selecting one of the metal building insulation options outlined below. Up to 6 r 19 can be used in a single layer appliction. Steel bands are installed on the underside and perpendicular to the roof purlins. R value per inch ft f hr btu rsi per millimeter k m w r value for typical installed thickness not per inch source.

A pre cut layer of insulation faced with polypropylene fabric is then installed in between the purlins running the length of the building. You should of course see the manufacturer provided technical data sheet for the r value of specific products. For a very good introductory overview article on r value see r values over at the website of. Polyisocyanurate polyurethane foam insulation r values.

Built up roof membrane gravel surfaced membrane and gravel only 0 33. R value of various materials.