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Our 2-ply Polyfresko torch down roofing systems provide long-lasting, waterproof protection for flat and low-slope roofs. Designed for durability and performance, this system is ideal for residential, multi-family, HOA and commercial buildings across Portola, Los Angeles and the Bay Area. Waterproof protection, durable and long lasting, UV and heat resistant, ideal for flat roofs, professional installation.
RESIDENTIAL HOMES
APARTMENTS & HOAs
COMMERCIAL BUILDINGS
LOW-SLOPE ROOFS

Nobody roofs Portola the way they roof a tract in the desert, and the marine layer holds moisture on the roof well past sunrise. At about 334 miles northwest, Portola is an easy run for us, inspection or emergency.
You will see our trucks in Excelsior, Bayview and Visitacion Valley on the same run.
Dry-season work books up fast, so the calendar tightens once the first storm forecast lands. If a repair solves it, we quote the repair instead of selling a replacement.
The quote lists materials and labour separately so you can see what you are buying.
Cheap work shows up at the details: a flashing sealed instead of replaced, a vent reused because it was quicker, decking covered because nobody wanted the conversation. Those are the roofs we get called back to in two winters.
When the crew leaves, the debris leaves with them: magnet passes morning and evening, gutters cleared, driveway swept. You get photos of the finished work and the warranty paperwork registered in your name.
Dry-season work is cheaper and safer, because the whole job happens on dry decking. Once the first storm is on the ten-day forecast the calendar in Portola tightens fast, and emergency work costs more than planned work.
We check the attic as well as the roof; half of what we find shows from underneath.
Ask any crew that works San Francisco County and they will tell you the same thing - nothing dries quickly here, so a small leak stays wet. From the shop it is a 334-mile run northwest to Portola, so emergencies get a same-day answer.
We know Excelsior, Bayview and Visitacion Valley as well as we know Portola.
We would rather find the problem in the dry months and fix it on a schedule. The first step is a free look at the Portola roof and a number you can hold us to.
The questions we hear most in Portola are about price, timing and whether a repair will hold. We answer all three before you commit, and we put the answers in writing.
When the crew leaves, the debris leaves with them: magnet passes morning and evening, gutters cleared, driveway swept. You get photos of the finished work and the warranty paperwork registered in your name.
We do not use subcontract crews we have never met. The people on your Portola roof are the people we train, and they carry our workers' compensation.
Everything below is the same crew, same city, same free inspection.
TORCH DOWN ROOFING PORTOLA, CA
There is nothing abstract about a Portola roof: sea air corrodes anything unprotected and keeps north slopes damp. Being 334 miles northwest of Portola, we can be on the roof before the next rain band arrives.
We are often working Excelsior, Bayview and Visitacion Valley in the same week, which keeps costs sensible.
A roof opened in October is a different job from one opened in January. No pressure, no same-day-only discount, no hard close.
Payment is tied to progress, not demanded up front.
Across San Francisco County, Portola has its own wear pattern, because whatever fails first on these roofs fails at the edges. The shop is about 334 miles northwest, which is why we can be out the same day.
Crews rotate through Excelsior, Bayview and Visitacion Valley, so the drive is routine.
Insurance work moves faster when the damage is documented before the next storm. Nothing is booked until you have photos, a scope and a written price.
An inspection here means walking the roof, not pointing a camera at it from the driveway.
FREQUENTLY ASKED
Find answers to common questions about torch down roofing in Portola.
CLEAR ANSWERS. LOCAL EXPERTISE.
PORTOLA, CA TORCH DOWN ROOFING
A modified bitumen base sheet torched to the deck or cover board, with a white Polyfresko cap sheet over it. The white surface reflects heat instead of holding it.
Tear-off debris leaves the same day. Driveways are swept, gutters cleared and a magnet pass runs morning and evening, which matters on a street with kids and pets.
Installed to spec, twenty years and up, with a manufacturer warranty of 10, 20 or 25 years depending on the system.
For most flat and low-slope roofs in Portola, yes. Two plies of modified bitumen with heat-welded seams handle ponding and UV far better than patching.
We do. Permits and inspections go through the local building department and we handle the paperwork rather than leaving it to you.
Most single-family roofs in Portola are done in two to four days once materials are on site. Larger or steeper roofs, or jobs with deck repairs, run longer and we say so up front.
We carry the permits and insurance for hot work, run a fire watch and keep extinguishers on the roof. Where open flame is not appropriate we quote a cold-applied or coating system instead.
Yes. The inspection and the written estimate are free, including a second opinion if you already have a quote in hand. We photograph what we find and walk you through it.
We work the same streets around Portola. If you are closer to one of these, the crew is already there most weeks:
We cover Visitacion Valley, Bayview, Excelsior, Bernal Heights and Glen Park from the same yard as Portola. One call covers any of them.
Everything below is the same crew, same city, same free inspection.