A wall assembly is tested for water intrusion to determine whether rainwater can pass through the exterior wall system, joints, penetrations, windows, flashing, or other vulnerable areas. Proper testing helps…
Private provider inspections allow qualified third-party professionals to perform certain building code plan reviews and inspections instead of relying entirely on the local building department. In Florida, this process is…
A controlled water test is a systematic roof leak detection method used to determine exactly where water is entering a commercial roofing system. Instead of simply spraying large amounts of…
- August 14, 2026
What causes blistering in built-up roofing?
Blistering is a common problem in built-up roofing (BUR) systems, particularly on commercial buildings exposed to Florida’s heat, humidity, and frequent temperature changes. A roof blister appears as a raised…
- August 14, 2026
Why do some leaks only appear with certain wind directions?
A roof leak that appears only when the wind blows from a particular direction can be confusing. If the roof is dry during calm weather or ordinary rain, it may…
Modified bitumen roofing is a popular commercial roofing system because it combines the waterproofing properties of asphalt with the flexibility and durability of polymer modifiers such as SBS (Styrene-Butadiene-Styrene) or…
- August 14, 2026
Why does a leak often appear far from its actual entry point?
A commercial roof leak can be surprisingly difficult to locate. One of the most common reasons is that the visible water stain, drip, or interior damage is often far away…
- August 14, 2026
What is a cap sheet and what surfacing options are available?
A cap sheet is the top, weather-resistant layer of a modified bitumen roofing system. It is designed to protect the roof assembly from rain, UV exposure, wind, foot traffic, and…
- August 14, 2026
How is a gravel-surfaced BUR evaluated for coating or recover?
A gravel-surfaced built-up roof (BUR) can sometimes be restored with a protective coating or covered with a new roofing system instead of being completely removed. However, the decision depends heavily…
Negative building pressure is an often-overlooked cause of moisture intrusion in commercial buildings. While roof leaks are commonly associated with damaged membranes, failed flashing, or clogged drains, pressure differences can…