Category Archives: Installation

Unvented Roof Assemblies

 by Chris Schumacher This is a review of unvented roof assemblies, such as conditioned attics and [...]

Metal Roof structure in detail

Metal Roof Sub structures in detail Especially with sheet metal roofs, the details of the [...]

Metal Roofing Membranes. Why and which ones?

  A Metal roofing underlay should be vapour-permeable, yet water-resistant and airtight. When used in [...]

Oil canning in Metal Roofs

What is Oil Canning?   Definition, Causes, & What to do about it. “Oil canning [...]