Rigid Foam Roof Insulation

0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497.

Rigid foam roof insulation.

Rmax r matte plus 3 1 2 in. Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck. 0 56 in x 4 ft x 8 ft. It is denser than eps and provides more r value with a rating of 5 per inch of thickness.

There are lots of different ways to insulate this type of roof but one of the best methods calls for the installation of rigid foam insulation above the roof sheathing. It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Insulated roof assemblies can be vented or unvented.

Rigid foam insulation installation prepare roof deck. The bottom layer of a single ply membrane roofing system is the roof deck or substrate. Polyiso is an easy cost effective sustainable and energy efficient construction material. The first step with roof installation is to prepare the roof deck by getting rid of all dirt dust and contaminants.

The roof deck can be plywood metal concrete or wood planks. Kingspan insulation r 3 common. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions.

Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. There s a reason polyiso rigid foam insulation is used in more than 70 of commercial roof construction as well as in many residential builds. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. There are at least two good reasons why this approach makes more sense than installing the insulation under the roof sheathing.

Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof.