GoulenCo Roofing
Flat & Low-Slope Roofing
Torch-down and TPO systems for South Bay homes and buildings with flat or low-slope sections that need reliable waterproofing.
What this service is for
Torch-down, TPO, and low-slope flat roof replacement and repair for South Bay homes and buildings.
Flat and low-slope roofs in the South Bay
Many beach-city and mid-century homes combine a pitched shingle or tile roof with a flat or low-slope section over a garage, addition, or porch. Those membranes fail differently than pitched roofs — drainage, seams, and penetrations matter as much as the product name.
A flat roof reroof or replacement should fix ponding where possible, rebuild flashings at walls and curbs, and match the membrane to how the surface is used.
Torch-down and TPO
Torch-down (modified bitumen) is common on residential low-slope sections. TPO is often chosen for larger or commercial-style low-slope surfaces. See torch-down roofing and TPO roofing for when each fits — drainage and detailing matter as much as the membrane brand.
Repair vs full flat reroof
Localized seam or penetration repairs can extend life on an otherwise sound membrane. Widespread alligatoring, chronic ponding, or repeated leaks usually point to a full flat roof replacement.
Financing where feasible
Financing may be available where the project and credit fit — ask during your estimate.
FAQ
- Torch-down or TPO?
- Both can perform well when detailed correctly. Torch-down (modified bitumen) is common on many residential low-slope sections. TPO is often chosen for larger or commercial low-slope surfaces. Drainage and detailing matter as much as the membrane brand.
- Why do flat roofs leak?
- Poor drainage, failed seams, aged membranes, and poorly flashed walls or penetrations are common causes. The surface may look intact while water finds a path at edges and details.
- Can flat roof replacement be financed?
- Financing may be available where the project and credit fit. Ask during your estimate.
Reviews
Built on reputation.
What South Bay homeowners say after a reroof, repair, or inspection.
★★★★★ 5 from 5 Google reviews
★★★★★“I can't say enough good things about GoulenCo! Greg recently reroofed my sister's house, and the entire experience — from the first conversation to the final result — was outstanding. Greg was professional, punctual, and incredibly easy to work with. The craftsmanship of the roof is top-notch, clean, and installed to last.”
★★★★★“Great roofing contractor to work with. Reliable, professional, and does quality work. The project was completed smoothly and everything turned out great.”
★★★★★“If there was an option to give 10 stars I would. Gregory and his business GoulenCo did a wonderful job on our reroof. From friendly customer service to a completed project, we were happy the whole way through.”
Ready to talk about flat roofing?
Get a roof estimate, schedule an inspection, or call GoulenCo Roofing. We focus on clear recommendations — especially when the right answer is a full reroof.
GoulenCo Roofing · (310) 749-0727