What standing water can tell you about a commercial roof
Water remaining on a low-slope roof invites a useful question: what is keeping it from reaching an outlet? The answer may involve a maintenance obstruction, the roof’s shape or a detail around rooftop equipment. Those causes call for different work.
DeSoto Roofing Group offers a useful starting point for that building question. Request a free roof inspection and tell us where water remains and how the building is used.
Start with the route water should take
A low-slope roof still needs a route for runoff. Water moves toward drains, scuppers or edges according to the shape of the deck and roofing assembly. A drain that looks close to a wet area may still sit above its lowest point.
Loose debris at an outlet is one possible interruption. A raised edge, a changed equipment detail or a low spot can also retain water. The useful inspection looks at both the outlet and the area feeding it.
A clear drain is only one part of the drainage question
Equipment service and earlier roof work can change what is happening in a small area. The connection around a curb, the condition of insulation and the route across the surrounding surface all deserve attention.
A clear drain may restore flow where debris was the cause. It will not correct a low area elsewhere in the assembly. Distinguishing those conditions helps keep a maintenance task separate from a roofing or drainage modification.
A new coating does not reshape the roof
A coating follows the existing surface. It does not create a new slope or remove moisture already held beneath the covering. Coating eligibility therefore includes the existing assembly and water conditions, as well as the material the coating will bond to.
Manufacturer preparation requirements, such as those in the GAF liquid-applied roofing manual, help frame that evaluation before a system is selected.
Connect the observation to a repair scope
For a building owner, useful observations include where water remains, the nearest outlets and whether an interior leak follows the same pattern. Keep roof access subject to the building’s access and safety arrangements.
The flat roof repair page explains how the membrane and underlying condition shape a repair. If restoration is being considered, the roof coatings page develops the preparation and eligibility questions.
Take a closer look at your commercial roof
Tell us about the wet area, any interior leak and the access arrangements. A free inspection can help define the next useful roofing step.
Call (469) 523-0520