Year: 2026

Can parapet cracks or failed stucco cause interior leaks?

Yes. Cracks in parapets and failed or deteriorated stucco can allow rainwater to enter a commercial building and eventually cause interior leaks. The problem is especially common around roof-to-wall transitions,…

How is a wall assembly tested for water intrusion?

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…

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…