Month: August 2026

What is a deck core cut and what does it reveal?

A deck core cut is a small, controlled section removed from a commercial roof assembly to examine the materials beneath the visible roofing surface. Also called a roof core cut…

What is value engineering and what are its risks in roofing?

Commercial roofing projects often involve significant investments, and property owners are always looking for ways to control costs while maintaining quality. One approach commonly used during design, bidding, and construction…

How does adding solar affect an existing roof warranty?

Adding solar panels to an existing roof does not automatically void the roof warranty, but the installation can affect warranty coverage depending on the roof manufacturer’s requirements, the roofing contractor’s…

What is a slip sheet and when is one required?

A slip sheet is a thin layer of material installed between a roof deck or substrate and the roofing system to create separation and allow limited movement between the two…

What is a pre-bid site walk and should attendance be mandatory?

A commercial roofing project involves many conditions that cannot always be understood from drawings, specifications, or photographs alone. Existing roof conditions, building access, equipment locations, drainage issues, and operational limitations…