Rigid Board Roof Insulation

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Rigid board roof insulation.

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. 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. Resources johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. The panels need to fit together tightly to help prevent warm air from leaving the top of the building. Rigid insulation is one of the best tools to reduce your energy costs. 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.

You can even place it under the foundation slab. Install it anywhere from the roof to the foundation. Rigid foam is produced in various size panels 4 ft x 8 ft 4ft x 4ft etc. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other.

Owens corning foamular xps insulation is a closed cell moisture resistant rigid foam board ideal for many roofi ng applications including single ply protected roof membrane assemblies prma tapered vegetative roofs plaza decks architectural metal roofi ng and recover roofi ng. Rigid roof insulation board. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Eps is used under roofing over foundation walls and beneath siding.

Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. All atlas acfoam polyiso insulation boards are qualitymark certified providing consumers an easy way to identify premium products that meet or exceed building codes for the best in roof performance. Polyiso is an easy cost effective sustainable and energy efficient construction material. 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 rigid insulation board in multiple layers with joints offset vertically and horizontally between adjacent layers. Rigid foam insulation also known as insulating boards provide high r values. Install nailbase for cladding.