Residential · Flat
Flat & low-slope roofing
Flat roofs are everywhere in the Valley — mid-century homes, desert-contemporary builds, additions, carports, and the low-slope sections tucked behind parapets on tile homes.
Drainage is the whole game
A flat roof is never truly flat — it is built with just enough slope to move water to a drain or scupper. When that slope is wrong, blocked, or has settled, water sits. Ponding water is the single most destructive thing that happens to a Valley flat roof, because standing water plus 110° sun attacks the surface continuously.
Correcting drainage is often more important than the surface material itself. We look at where water goes before we talk about what to put down.
Systems we work with
- Spray polyurethane foam with protective coating
- Reflective coating systems over sound existing substrates
- Repair and restoration of existing flat roof systems
- Detailing at parapets, scuppers, drains, curbs, and penetrations
What we look for on an inspection
- Ponding areas and the low spots that create them
- Blocked or undersized scuppers and drains
- Blistering, cracking, and coating wear
- Failed sealant at penetrations and equipment curbs
- Parapet wall and cap condition
- Soft or saturated areas indicating trapped moisture
Repair or replace
If the substrate is dry and sound, restoration and recoating is usually the better value. If moisture is trapped in the system, coating over it just seals the problem in. We check before we recommend.
Common questions
Questions we get asked
Why does my flat roof leak only during heavy monsoon rain?
That pattern usually points to drainage rather than a hole. When water backs up past its normal path, it reaches details that are not designed to be submerged.
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