
Phoenix TPO Roofing
White TPO membranes with heat-welded seams for warehouses and large flat roofs.
TPO is a white single-ply membrane rolled out in wide sheets and joined with hot-air welded seams. It is common on Phoenix warehouses, distribution centers and big-box retail because it covers large areas quickly and is reflective from the day it is installed.
A TPO roof is only as good as its seams and details. We probe-test welds, and we flash parapets, drains, curbs and penetrations with membrane welded into the field sheet.
TPO repairs use compatible membrane welded over a cleaned surface. Older TPO that has weathered may need extra cleaning and preparation for a new patch to weld properly.


Hot-air welded laps that become one piece with the membrane.

Rigid insulation boards fastened or adhered to the deck below the membrane.

Membrane flashing at parapets, drains and curbs.

Wide sheets that cover warehouse roofs with fewer seams.
| TPO single-ply | Spray foam with coating | |
|---|---|---|
| Seams | Heat-welded laps | No seams in the foam |
| Slope correction | Tapered insulation | Foam thickness shaped in place |
| Upkeep | Seam and detail checks | Periodic recoating |
| Common fit | Warehouses and large open roofs | Roofs with many penetrations or low spots |
Service life depends on membrane thickness, installation quality and upkeep. We document the membrane type and warranty on every TPO roof so you can plan ahead.
Sometimes. It depends on how many roofs are already on the building and whether the existing roof and insulation are dry. We check both before recommending a recover.
Yes. We weld compatible membrane over cleaned and prepared areas and reseal failed details.
White TPO is highly reflective when new, which helps meet the reflectance targets Phoenix uses for commercial flat roofs. Keeping it clean helps it stay that way.
Tell us about the building, the roof size and any leaks. We will look at the roof and give you options.
Free estimate, no obligation