Roofing Rigid Foam

All three types of rigid foam insulation expanded polystyrene eps extruded polystyrene xps and polyisocyanurate are suitable for use on the exterior of walls and roofs though they do not perform equally.

Roofing rigid foam. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. 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. 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. 1 inch and 2 inch thicknesses are common.

Sprayed polyurethane foam spf is a fully adhered closed cell roofing material applied to a desired thickness usually 1 2 inches forming a seamless monolithic roof surface incorporating flashings penetrations and parapet walls. Rigid insulation is one of the best tools to reduce your energy costs. Install it anywhere from the roof to the foundation. Install roofing underlayment flashing and cladding as per best practices.

Eps is the most vapor permeable of the three types. Here at all seasons insulation we specialize in superior quality polyurethane spray in place foam spray foam insulation and roofing. Rigid foam insulation also known as insulating boards provide high r values. Polyurethane spray foam roofing systems are frequently used to insulate and protect a wide variety of residential commercial and industrial buildings.

All seasons insulation spray foam roofing and insulation contractor serving southern california. The boards are available in several thicknesses and r values. Spray polyurethane foam spf is the only roofing material that has no seams. Polyiso is an easy cost effective sustainable and energy efficient construction material.

You can even place it under the foundation slab. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. Spray foam is the high tech alternative to traditional roofing and insulation materials. This system eliminates seams and cold joints the primary source of major roof leaks and provides a durable waterproof covering that bonds tightly to any properly.

Monthly energy and utility savings of 30 or greater can be achieved when compared to the alternative roofing and insulation systems. A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. At r 4 it also has the lowest r value per inch. Foam roofs are lightweight durable and seamless.

The purpose of the requirement that rigid foam installed above roof sheathing meet certain minimum r values is to ensure that the roof sheathing stays warm enough during the winter to avoid moisture accumulation and possible sheathing rot. The dura foam roof system has a rigid and durable surface that you can walk on. Install nailbase for cladding.