Commercial roofing projects often involve significant amounts of materials such as roofing membranes, insulation, metal components, adhesives, fasteners, and other construction products. Because material prices can change between the time…
- August 14, 2026
What is back-nailing and why is it done?
Back-nailing is a roofing installation technique used to secure roofing materials while keeping the fasteners concealed beneath a subsequent layer of roofing material. Also called blind-nailing, the method is commonly…
- August 14, 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…
- August 14, 2026
How much dead load does a ballasted array add to the roof?
A ballasted solar array can add a significant amount of weight to a commercial roof, and the exact dead load depends on the solar panel system, racking design, ballast requirement,…
- August 14, 2026
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…
- August 14, 2026
What is the bond line in a fully adhered roof system?
The bond line in a fully adhered roof system is the continuous interface where the roofing membrane is securely attached to the underlying substrate, insulation, or cover board using an…
- August 14, 2026
How do I determine what type of deck is under my existing roof?
Determining what type of roof deck is underneath an existing commercial roof is an important step before planning a repair, restoration, reroofing, or roof replacement. The deck provides the structural…
- August 14, 2026
What wind design standards apply to rooftop solar in Florida?
Rooftop solar panels in Florida must be designed and installed to withstand significant wind forces, including hurricane conditions. Because solar panels, rails, attachments, and other rooftop equipment can increase wind…
- August 14, 2026
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…
When reviewing commercial roofing proposals, receiving a bid that is significantly lower than the others can appear attractive. A lower price may seem like an opportunity to reduce project costs,…