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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

Before materials come into it, the site decides the job: in Portola, the weather here punishes details, not products. 334 miles northwest means a crew, a ladder and a tarp can be there this afternoon.
Crews rotate through Excelsior, Bayview and Visitacion Valley, so the drive is routine.
A roof opened in October is a different job from one opened in January. The first step is a free look at the Portola roof and a number you can hold us to.
Change orders are discussed before anything is done, not billed afterwards.
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.
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.
A roof is a system. The membrane or shingle gets the attention, but the underlayment, the fasteners, the edge metal and the ventilation decide whether it reaches its warranty.
Drone shots cover the steep sections, and the rest is checked on foot.
There is nothing abstract about a Portola roof: the weather here punishes details, not products. Our shop sits about 334 miles northwest of Portola, so a crew is on site the same morning.
The same trucks cover Excelsior, Bayview and Visitacion Valley, which keeps callbacks quick.
Summer is for planned work; winter is for emergencies nobody planned. We will tell you if the Portola roof has years left in it rather than sell you a new one.
Price follows the roof, not a rate card: access, pitch, material, how many layers come off and what the deck looks like underneath. We measure in person, show you photos and put the number in writing before anything is booked.
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.
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.
Everything below is the same crew, same city, same free inspection.
TORCH DOWN ROOFING PORTOLA, CA
The job list in Portola repeats itself for a reason - onshore wind drives rain sideways into the flashings. 334 miles northwest means a free inspection costs you nothing but an hour.
Crews rotate through Excelsior, Bayview and Visitacion Valley, so nothing about these streets is new to us.
A roof opened in winter costs more and risks more, so we plan around the forecast. Expect photos, a measured scope and a number you can compare against anyone else.
Workmanship coverage is ours to honour, and we are still here to honour it.
Ask any crew that works San Francisco County and they will tell you the same thing - the weather here punishes details, not products. 334 miles northwest means a crew, a ladder and a tarp can be there this afternoon.
Crews rotate through Excelsior, Bayview and Visitacion Valley, so the drive is routine.
A roof opened in winter costs more and risks more, so we plan around the forecast. We will tell you if the roof has five years left, because that is also useful to know.
Change orders are discussed before anything is done, not billed afterwards.
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.