Roofing, Gutters & More in South San Francisco
South San Francisco Roofing & Maintenance offers a complete range of roofing services in South San Francisco and Fremont, Inyokern, Long Beach, Murphys, Phillipsville. Every job gets the same attention. Big or small.
Roof Replacement
After tear-off, we always check decking and replace what's needed. Soft spots mean moisture intrusion. The old roof was leaking longer than you realized. We use 7/16" or 15/32" CDX plywood depending on rafter spacing. New decking costs $75-$120 per sheet installed. We only replace what's actually damaged.
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Roof Repair
We warranty every repair for 5 years. If the same area leaks again due to our workmanship, we come back free. That warranty is in writing and it means something because we're a local South San Francisco company. We're not disappearing.
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Storm Damage Repair
Wind speeds above 60 mph cause shingle tab lift and adhesive seal failure per ASTM D7158 testing protocols. Our South San Francisco inspectors check the entire windward exposure. Not just the obvious damage. Poor ventilation causes ice dams which cause water intrusion under the shingle field during freeze-thaw cycles. We document all contributing factors so your insurance claim covers root-cause repairs, not just surface patches.
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New Roof Installation
New construction underlayment per IRC R905 and ASTM D226 (felt) or ASTM D6757 (synthetic). Ice barrier per ASTM D1970 required at eaves in climate zones with average January temperature below 25°F. We install ice and water shield regardless. It's cheap insurance against ice dams and wind-driven rain. Drip edge per IRC R905.2.8.5 on eave and rake edges. Proper starter strip with factory sealant for wind resistance from day one.
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Metal Roofing
Metal roofing reflects solar heat instead of absorbing it. In California, that means 15-25% lower cooling costs compared to dark asphalt shingles. The higher upfront cost pays for itself over the life of the roof. And the life of a metal roof is twice or three times longer than shingles.
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Shingle Roofing
Architectural shingles are what we install on 90% of South San Francisco homes. They're thicker, heavier, and more wind-resistant than the old 3-tab flat shingles. They also look dramatically better. Dimensional profiles that mimic wood shake or slate. Standard architectural shingles carry a 30-year warranty. Premium versions go to 50.
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Flat Roofing
TPO single-ply membrane in 60-mil or 80-mil thickness, fully adhered or mechanically attached over minimum R-25 polyiso insulation. Hot-air welded seams tested with a probe at every joint. We install per NRCA and manufacturer specifications with tapered ISO insulation creating minimum 1/4" per foot positive drainage. Ponding water is the number one cause of flat roof failure in South San Francisco. Tapered insulation eliminates it. FM 4473 rated systems available for hail-prone areas. Fully warranted by Carlisle, Firestone, or GAF.
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Commercial Roofing
Commercial roofing in South San Francisco means flat and low-slope systems: TPO, EPDM, PVC, modified bitumen, and built-up roofing. We install and repair all of them. Retail, warehouse, office, restaurant, multi-family. Our commercial crew handles buildings from 2,000 to 100,000 square feet.
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Gutter Installation
We custom-form seamless aluminum gutters on-site from a continuous coil of .027 gauge stock. No factory seams means no seam failures. We form them to the exact length your fascia requires. One piece, one gutter, no leaks.
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Roof Inspection
Our inspection covers the roof and the attic. From the attic, we check for daylight through the roof deck, moisture stains on rafters, mold on sheathing, and ventilation function. Problems in the attic often indicate roof issues that aren't visible from the surface.
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Emergency Roof Repair
Our trucks carry 20x30 reinforced tarps, 2x4 lumber, plywood sheets, pipe boots, ridge cap shingles, flashing stock, roofing cement, and neoprene screws. We show up ready to secure your roof, not ready to schedule a follow-up appointment.
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Skylight Installation
Replacing an old leaking skylight is often cheaper than trying to repair it. New units from VELUX have Low-E laminated glass, argon fill, and No Leak guarantees when installed with the manufacturer's flashing system. Our South San Francisco crews replace skylights in a single day.
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