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Commercial · TPO roofing

Modified bitumen to TPO roof replacement in South Texas

We tore off an aging modified bitumen roof, replaced the rotten decking underneath, and installed a fully adhered TPO system with new drip edge — plus new Hardie fascia and soffit where the old trim had rotted out.

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Location

South Texas

Service

TPO roofing

System

Fully adhered TPO membrane

Before & after

The difference

Before Weathered modified bitumen roof with granule loss across a long low-slope building
The old modified bitumen roof, worn gray and patched
After Completed bright white TPO roof with sealed penetration boots under a clear sky
The finished fully adhered TPO field
Scope of work

What the job involved

  • Complete tear-off of the existing modified bitumen roof system
  • Replaced rotten plywood decking
  • New fully adhered TPO roof system
  • New drip edge at the roof perimeter
  • Removed all rotted fascia and soffit
  • Installed new James Hardie fascia and soffit throughout
Tear-off in progress with old roofing removed and stained plywood decking exposed
Gallery

Photos from this project

When the roof goes, the trim goes with it

The South Texas sun is hard on modified bitumen. This roof had turned gray and brittle, and it was letting water through. The plywood decking underneath was rotting, and so were the fascia and soffit around the edge of the building.

We tore the old roof off down to the deck. That let us find and replace every sheet of rotten plywood instead of covering it up. On the solid decking we installed a fully adhered TPO system — bonded down across the entire roof, not just at the seams — and finished the perimeter with new drip edge so water drains off the way it should.

The leaks had already ruined the trim, so we replaced that too. All of the rotted fascia and soffit came off, and new James Hardie fiber cement went up in its place. Hardie products are built for this climate, and they stand up to the moisture and sun that destroyed the original wood.

The building now has a bright white roof that reflects the Texas heat instead of soaking it in — with solid decking under it and trim that will last.

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