Trees can improve the appearance, shade, energy performance, and property value of a commercial site. However, planting trees too close to a commercial building can create long-term problems involving the…
Replacing rooftop HVAC units, air-handling equipment, exhaust fans, chillers, or other commercial roof equipment often requires a crane pick. Because the equipment must be lifted from ground level to the…
- August 14, 2026
How do iguanas damage roofs in South Florida?
South Florida homeowners are accustomed to seeing green iguanas around seawalls, canals, yards, and landscaping. What many property owners do not realize is that iguanas can also become a roofing…
- August 14, 2026
How much does a tapered system typically add to project cost?
A tapered roofing system typically adds about $1 to $4 per square foot to a commercial roofing project, depending on the insulation type, roof design, thickness, drainage requirements, labor, and…
- August 14, 2026
What problems do nesting birds create on commercial roofs?
Nesting birds may seem like a minor nuisance on a commercial building, but bird activity can create several roofing, drainage, maintenance, and sanitation problems. Commercial roofs often provide birds with…
- August 14, 2026
How are bird deterrents installed without damaging the membrane?
Bird activity on commercial roofs can create more than a sanitation problem. Nesting materials, droppings, and repeated bird activity can obstruct drainage, interfere with rooftop equipment, and contribute to premature…
- August 14, 2026
Are tapered EPS and tapered polyiso interchangeable?
Tapered EPS and tapered polyiso are both commonly used in commercial roofing assemblies to create positive drainage and improve thermal performance. However, tapered EPS and tapered polyiso are not directly…
- August 14, 2026
How are rooftop units disconnected and reset during a reroof?
Commercial reroofing often requires temporary removal or elevation of rooftop HVAC units, commonly called rooftop units (RTUs). These units can be large, heavy, and connected to multiple systems, so disconnecting…
- August 14, 2026
What damage do bee and wasp nests cause in roof cavities?
Bee and wasp nests in commercial roof cavities can create more than a pest-control problem. When insects establish colonies inside a roofing assembly, they can contribute to moisture problems, insulation…
Yes—ideally, the roofing contractor or a qualified roofing representative should be present, or at least involved in coordinating, whenever other trades perform work on a finished or active roof. This…