Rigid Insulation Roof Detail

Owens corning insulation products help improve thermal performance.

Rigid insulation roof detail.

Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. 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. Code specifies the minimum r value of the rigid foam layer. 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.

Lightning protection terminal roof mount detail. Paraguard expansion joint roof to wall with parasolo flashing. The easiest way to increase the value of your roof assembly is to insulate the insulation with a hybrid roof system. At r 4 it also has the lowest r value per inch.

You will need to hire some well trained roofing insulation experts to make a more energy efficient home. Install nailbase for cladding. Wall with self terminating parapro paraflex 531 liquid flashing. Eps is the most vapor permeable of the three types.

Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. Wall base termination detail. Wall flashing with coated metal edge. By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one.

Roof area divider curb type. Nailbase must be vented in high snow load areas. Rigid foam also can be installed above the roof sheathing in tandem with air permeable insulation between the rafters. Install roofing underlayment flashing and cladding as per best practices.

Polyiso is an easy cost effective sustainable and energy efficient construction material. Or you may also consider metal roofing over rigid insulation details even though it might be a bit pricier. 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. Introducing a stone wool roofing insulation and coverboard in one.

Adding the metal roof insulation can be done easily when you renovate your house. In this case the rigid foam can be thinner than when it s used alone. Although the r value isn t huge the rigid foam insulation boards do a nice job of keeping the searing heat of the roof from making its way into the sanctified space of the man cave.