Rigid Insulation Roof Detail

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 roof detail.

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. Install roofing underlayment flashing and cladding as per best practices. Rigid insulation layers exterior to existing roof sheathing must provide sufficient thermal insulation r value to control condensation risk see climate specific guidance. Wall with self terminating parapro paraflex 531 liquid flashing.

Lightning protection terminal roof mount detail. Install nailbase for cladding. 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. 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.

Adding the metal roof insulation can be done easily when you renovate your house. At r 4 it also has the lowest r value per inch. Introducing a stone wool roofing insulation and coverboard in one. Or you may also consider metal roofing over rigid insulation details even though it might be a bit pricier.

Roof area divider curb type. Wall base termination detail. Paraguard expansion joint roof to wall with parasolo flashing. Code specifies the minimum r value of the rigid foam layer.

By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one. Eps is the most vapor permeable of the three types. Nailbase must be vented in high snow load areas. Heat welded walkway installation.

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. Between the flat roof insulation and our install of reach radiant barrier insulation on our garage door the shop is now downright comfortable even in the warmer months. Polyiso is an easy cost effective sustainable and energy efficient construction material. 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.

You will need to hire some well trained roofing insulation experts to make a more energy efficient home. Owens corning insulation products help improve thermal performance. Rigid foam also can be installed above the roof sheathing in tandem with air permeable insulation between the rafters.