What is a Roofing Base Sheet?
Thursday, February 21 2019
A roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system. It is made of fiberglass or reinforced polyester, or composite reinforcement and is saturated/coated with modified bitumen asphalt. This is asphalt enhanced with plastic or rubber polymer. Base sheets are surfaced with heat-weldable film, sand or a release film depending…
Polyiso Insulation Thickness R-Value Chart: Understanding R-Value
Thursday, December 13 2018
What Does R-Value Mean? A higher R-value means that the insulation will do a better job of holding in conditioned air, whether that’s heat in the winter or cool air in the summer. It’s not about how much heat the insulation retains, but how slowly it allows heat to move through it. The slower, the…
Ways to Make Your Next Commercial Roof Replacement Less Distracting for Building Tenants
Wednesday, November 21 2018
Commercial roofers frequently have to perform extensive work on occupied buildings. When you’re completing a lengthy roof replacement project, you likely can’t schedule the work for a time when the building will be empty 24/7. This means tenants will be on-site while you work. Most building owners and tenants understand that roofing is essential and…
What is a Torch Down Roof?
Tuesday, October 30 2018
Torch down roofing (sometimes referred to as “torch on” roofing) is so named because it requires an open-flame propane torch. In this installation method, sheets of modified bitumen are rolled out onto the roof, and a roofing professional uses a hand-held propane torch to heat the material and adhere it to the surface. Once the…
What is Polyiso Rigid Foam Insulation? A Comprehensive Guide
Friday, September 21 2018
What (exactly) is Polyiso? Polyiso, or polyisocyanurate, is a rigid foam insulation used in more than 70% of commercial roof construction and offers a continuous insulation solution for commercial flat (low slope) roof insulation and wall assemblies. As one of North America’s most widely used and readily available building products, polyiso is a cost-effective insulation…
An Introduction to the Building Envelope Products & Systems
Monday, August 13 2018
Understanding the Building Envelope This article is intended to provide an overview of the building envelope and details about its components and products. The building envelope consists of the parts of a building that keep the weather out and conditioned environment in. This includes three main systems: the roof, the wall (including doors and windows)…
