EPDM and TPO membrane systems for additions, porches, dormers, and commercial roofs across Winchester, VA.
Get a free estimateIf you’ve got a porch roof, an addition, or a dormer with barely any pitch, it needs a completely different roofing system than the rest of your house — and a lot of homeowners don’t find that out until water is already getting in.
Low slope roofs fail almost always for the same two reasons: water pooling because the surface was never sloped correctly toward a drain, or a seam and flashing detail that was rushed instead of properly sealed. The membrane itself is rarely the problem.
We see this most on additions built after the original house, porch roofs tucked under a steeper roofline, and older commercial-style flat sections that were patched instead of properly replaced.
We install EPDM and TPO systems, and we’ll tell you honestly which one is the better fit for your roof.
A black synthetic rubber membrane with decades of proven performance. Seams are joined with adhesive seam tape. A reliable, cost-effective choice, especially where the roof isn’t highly visible.
A white, energy-reflective membrane. Seams are heat-welded into a single fused sheet rather than taped, which many homeowners prefer for long-term seam durability.
Where drainage is the real problem, we install tapered insulation to actually direct water off the roof — not just lay a new membrane over the same flat pitch that caused the ponding in the first place.
We remove the old membrane and check the deck for rot or trapped moisture before anything new goes down.
Tapered insulation goes in where needed so water actually moves toward a drain instead of pooling.
EPDM or TPO is fully adhered or mechanically fastened per manufacturer spec, sized to minimize seams.
TPO seams are hot-air welded; EPDM seams are adhered with seam tape — both inspected for a full, continuous bond.
Every penetration, wall termination, and drain is properly flashed so water can’t work underneath the membrane.
We inspect every seam and edge, then walk the finished roof with you before calling the job done.
Storm damage on a flat section? We document it and work directly with your adjuster.
Learn the process →EPDM is a black rubber membrane with a long track record and seams joined with adhesive tape. TPO is a white, heat-weldable membrane that reflects more heat and creates a fully fused seam. Both are excellent choices — we’ll recommend the one that fits your roof and budget.
A properly installed EPDM or TPO system typically lasts 20 to 30 years, especially with correct drainage and periodic inspection.
Most flat roof failures trace back to ponding water and poorly sealed seams or penetrations, not the membrane material itself. Correct slope and careful detailing at seams and terminations solve both problems.
Occasional foot traffic for maintenance is fine on most systems, but we’ll tell you if your specific membrane needs walk pads for regular access.
Yes. Additions, porch roofs, and dormers with a low pitch are some of the most common places a flat roofing system belongs, even on an otherwise steep-slope shingle home.
Free estimate, honest recommendation, no pressure.
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