Rigid Foam Roofing System

The bottom layer of a single ply membrane roofing system is the roof deck or substrate.

Rigid foam roofing system.

This product is suitable for use in wall sheathing applications in new. Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation. The roof deck can be plywood metal concrete or wood planks. 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.

It is readily available in the two most popular and efficient tapers 1 8 3 18 mm per foot 305 mm 1 and 1 4 6 35 mm per foot 3 18 mm 2. Spray polyurethane foam spf is the only roofing material that has no seams. Senior engineer manager at icynene john broniek makes the case for the unvented attic assembly and why insulating the underside of the roof makes sense. The dura foam roof system has a rigid and durable surface that you can walk on.

Gable end detail overhang cut and then rebuilt to hide the thickness of the over roofing rigid insulation. Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot asphalt applied roofing systems. Rigid foam insulation installation prepare roof deck. 4 of polyiso under 4 of eps all above the original roof sheathing.

Then a second layer of plywood sheathing and asphalt shingles following the steps explained in this article. Roofing membranes can be made out of a variety of materials. The quest for greater energy efficiency in buildings has led to increasing interest and need for insulation improvements in hvac equipment more airtight construction new materials and assemblies. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.

Prozone 365 is a two component hfc 365 227 blown all pmdi based spray polyurethane foam system designed for use as a self adhering seamless high insulating spray applied rigid polyurethane foam roofing system. Prozone 365 will be available in multiple speeds for use in varying temperature conditions. A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. We live in zone 5 suburb of chicago and are hopefully about to put rigid foam above the roof sheathing on just the northeast roof portion of our roof.

Rigid roof insulation board. Prozone 365 has been formulated to spray at 2 8 pcf depending on lift thickness. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to retroplus roof board on one side and a glass reinforced facer on the other.