Rigid Foam Board Roof Insulation

Install nailbase for cladding.

Rigid foam board roof insulation.

It is denser than eps and provides more r value with a rating of 5 per inch of thickness. They keep your home at a comfortable temperature without the need to crank your heat. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. 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.

In other words rigid foam can be applied on walls foundations and roofs and works great for both retrofits and new constructions. Rigid insulation is one of the best tools to reduce your energy costs. This foam board insulation is available with straight or tongue and groove edges to help limit air movement. Rigid foam insulation also known as insulating boards provide high r values.

You can even place it under the foundation slab. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems. Install it anywhere from the roof to the foundation. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

Install rigid insulation board in multiple layers with joints offset vertically and horizontally between adjacent layers. Polyiso is an easy cost effective sustainable and energy efficient construction material.