Phoenix Flat Roof Repair
Flat Roof Repair in Phoenix, AZ
Ponding, drains, blisters, seams and parapet leaks on commercial low-slope roofs.
Phoenix Flat Roof Repair
Ponding, drains, blisters, seams and parapet leaks on commercial low-slope roofs.
A flat commercial roof is not truly flat. It needs enough slope to move water to drains and scuppers, and when that slope is lost to settling, added layers or blocked drains, water sits on the roof after every storm.
Standing water speeds up wear on coatings and membranes, adds weight to the structure and finds any open seam. Repairing a flat roof often means fixing drainage first, then the surface.
Phoenix's monsoon season runs from June 15 to September 30. A flat roof can go dry for months and then take a heavy storm in under an hour, so blocked drains, split seams and tired parapet flashing tend to show up as interior leaks all at once in July and August.
Low spots built up with foam, tapered insulation or crickets so water reaches the drain.
Cleared, reset and reflashed so storms leave the roof quickly.
Blistered and alligatored surfaces cut out and repaired.
Cracked coping joints and wall flashing resealed.
| What you see | What it usually means |
|---|---|
| Dried rings or dirt patches on the roof | Water ponds there after storms |
| Stains along exterior walls inside | Parapet or coping leaks |
| Water pouring over the roof edge | Drains or scuppers are blocked or undersized |
| Soft spots underfoot | Wet insulation or foam below the surface |
The National Roofing Contractors Association describes ponding as water still standing on a roof 48 hours after rain stops. We look for dried rings and dirt lines that show where it collects.
Often, yes. Low areas can be built up with foam, tapered insulation or crickets, and drains can be lowered or added. We tell you whether a repair or a larger project makes more sense.
Heavy, wind-driven rain overwhelms drains and pushes water into parapet joints and flashing that stay dry the rest of the year. Those are the first places we check.
Yes. Drain and scupper cleaning is part of every repair visit and every maintenance plan.
Tell us what you are seeing after storms. We will check drainage, seams and flashing and send you a written scope.
Free estimate, no obligation