If all of the insulation is on the top of the roof sheathing this is pretty much a no brainer.
Rigid insulation roof assembly.
It is made from.
With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.
Or sprayed polyurethane foam spf.
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 of the rigid insulation board products work.
All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered.
Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.
If you don t want to use sips or nailbase read this article tolearn the four basic approaches to insulating unvented roof assemblies.
The insulation used in low slope roof assemblies typically falls into one of the four categories.
Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing.
Lightweight insulating concrete lwic.
This section outlines the conditions for unvented attic roof assemblies.
Dual purpose structural deck and insulating planks.
Unvented roof assemblies should be insulated either with air impermeable insulation rigid foam or spray polyurethane foam or with a combination of foam and air permeable insulation.