Rigid Foam Roof Insulation

A continuous layer of rigid foam insulation in wall and roof assemblies leads to lower energy consumption an environmental plus to be sure.

Rigid foam roof insulation.

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. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. 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. Install roofing underlayment flashing and cladding as per best practices.

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 nailbase for cladding. But one thing that some builders don t like is the high global warming potential of some blowing agents used to make the foam. 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.

Rigid foam installation after the roof deck is ready the rigid foam insulation is installed. Install it anywhere from the roof to the foundation. They keep your home at a comfortable temperature without the need to crank your heat. The r value is a measurement of the heat loss and heat gain.

Rigid foam insulation also known as insulating boards provide high r values. Polyiso is an easy cost effective sustainable and energy efficient construction material. You can even place it under the foundation slab. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Expanded polystyrene eps extruded polystyrene xps and polyisocyanurate are the most used types of rigid foam insulation. Rigid insulation is one of the best tools to reduce your energy costs.