Rigid Foam Board Roof Insulation

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

Rigid foam board roof insulation.

Install nailbase for cladding. In other words rigid foam can be applied on walls foundations and roofs and works great for both retrofits and new constructions. Install rigid insulation board in multiple layers with joints offset vertically and horizontally between adjacent layers. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance.

This foam board insulation is available with straight or tongue and groove edges to help limit air movement. It is denser than eps and provides more r value with a rating of 5 per inch of thickness. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced.

R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board composed of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. This product is suitable for use in wall sheathing applications in new.