Chalking is a common form of weathering that can occur on painted or coated metal roofing as the roof ages. It appears as a fine, powdery or whitish residue on…
Florida is known for intense sunshine, but ultraviolet (UV) exposure is not identical across the state. For commercial building owners, this distinction matters because long-term UV radiation can contribute to…
White roofing membranes are widely used on commercial buildings because their high reflectivity can help reduce heat absorption and cooling demand. Over time, however, a white TPO or PVC membrane…
- August 14, 2026
Does surface mildew reduce reflectivity and energy savings?
Yes. Surface mildew can reduce the solar reflectivity of a commercial roof and, over time, diminish some of the energy-saving benefits of a reflective or “cool” roofing system. The effect…
- August 14, 2026
What are the risks of creating a double vapor barrier sandwich?
A double vapor barrier sandwich occurs when moisture-resistant or vapor-impermeable materials are installed on both sides of a roof or wall assembly, trapping moisture between them. In commercial roofing, this…
- August 14, 2026
What manufacturer inspections occur during installation?
When a commercial roof is installed, the roofing contractor is responsible for following the approved plans, specifications, and roofing system requirements. However, many commercial roofing systems also involve inspections by…
- August 14, 2026
Which cleaning products damage single-ply membranes?
Single-ply roofing membranes such as TPO, PVC, and EPDM are widely used on commercial buildings because they provide durable waterproofing with relatively low maintenance requirements. However, using the wrong cleaning…
Churches, synagogues, mosques, temples, and other worship facilities often have roofing requirements that differ from standard commercial buildings. Many have large sanctuary spaces, tall roofs, steep slopes, bell towers, domes,…
- August 14, 2026
What is a pre-installation conference with the manufacturer?
A pre-installation conference with the roofing manufacturer is a meeting held before a commercial roofing project begins to make sure the building owner, roofing contractor, manufacturer, and other key parties…
- August 14, 2026
How does a vapor retarder affect a roof’s ability to dry out?
A vapor retarder plays an important role in commercial roofing by controlling how moisture moves through a roof assembly. While it can help prevent moisture from entering sensitive insulation and…