Those dark, wavy streaks running down your shingles are almost always Gloeocapsa magma, an algae that feeds on the limestone in asphalt roofing. In most cases the staining is cosmetic, but it can shorten shingle life if left alone for years. Clean it with a soft-wash...
Expect to pay roughly a range of several hundred to a few thousand dollars for hurricane straps depending on whether you’re building new, reroofing, or retrofitting an existing attic. New construction runs cheapest per connection, retrofits cost the most because of...
Water sitting on your flat roof for more than 48 hours after the rain stops is what the roofing industry defines as ponding, and it is a real problem, not a cosmetic nuisance. Go up and check it today. Measure the depth with a tape measure or ruler at the deepest...
If rain is getting into your house right now, tarp or board the damaged area before it gets worse. If the roof is steep, wet, or the decking feels soft underfoot, don’t climb up there. Call a licensed emergency tarping contractor instead. Fall and electrocution...
Ponding water is a problem when it sticks around, not just when it shows up. The industry benchmark is the 48-hour rule: if water is still sitting on your flat or low-slope roof two full days after rain, under otherwise normal drying conditions, that’s ponding, not...
Electronic leak detection (ELD) locates roof membrane breaches by measuring electrical conductance, pinpointing the exact hole rather than showing where water pooled after the fact, which is the core problem with flood testing. It works on most new roof installations...
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