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Torch Down Roofing Nob Hill
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RESIDENTIAL • COMMERCIAL • ALL ROOF TYPES
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BUILT FORthe Bay Area
Professional torch down roofing — stronger roofs for a safer tomorrow
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 Nob Hill, Los Angeles and the Bay Area. Waterproof protection, durable and long lasting, UV and heat resistant, ideal for flat roofs, professional installation.
IDEAL FOR MULTIPLE PROPERTY TYPES
RESIDENTIAL HOMES
APARTMENTS & HOAs
COMMERCIAL BUILDINGS
LOW-SLOPE ROOFS
BEFORE & AFTER
NOB HILL, CA
Torch Down Roofing
Two Plies, Welded Seams, No Guesswork.
Torch down roofing in Nob Hill is modified bitumen, installed in two plies and heat-welded as it goes down: a base sheet torched to the prepared deck or cover board, then a white Polyfresko cap sheet over it. The seams fuse instead of relying on adhesive, which is why the system holds up on flat and low-slope roofs that see standing water.
All American Roof Repair & Commercial Roofing installs and repairs torch down on houses with flat sections, apartment buildings, HOA property, offices and light industrial across Nob Hill, Tujunga, Shadow Hills, Lake View Terrace and the northeast city.
Why Flat Roofs in Nob Hill Fail
Nob Hill sits in a bowl at the foot of the Verdugo and San Gabriel Mountains and it bakes. A dark flat roof here runs far hotter than the air, the daily swing works every lap, and the fall winds drive grit across the surface. Then the rain arrives in short, heavy bursts and finds whatever the summer loosened: a split lap, a lifted edge, a drain that has not been cleared since the last storm.
How We Install It
Tear-off and deck check
The old roof comes off and any soft decking is replaced before a new sheet touches it. You see the bad bays before they are covered.
Insulation or cover board
Where the building wants R-value, polyiso goes down; otherwise a cover board gives the torch a sound, even surface.
Base sheet
The modified bitumen base ply is torched and rolled so the whole sheet bonds, not just the edges.
Polyfresko cap sheet
The white cap ply goes over it, seams welded and probed. White means the roof reflects heat instead of storing it.
Flashings and drains
Curbs, pipes, parapets, edge metal and drains are detailed last, because that is where flat roofs actually leak.
Torch Down vs the Alternatives
- Against a patch. Patching buys months. A two-ply system is a roof, with a manufacturer warranty behind it.
- Against TPO. Both work on flat roofs. Torch down suits smaller, cut-up roofs and buildings with lots of penetrations; TPO suits wide open spans.
- Against a coating. A coating renews a sound roof. If the deck or insulation is wet, torch down replaces it instead of sealing the problem in.
- Against built-up. No kettle, no gravel, and a white surface rather than black asphalt cooking all afternoon.
Straight talk: torch down is hot work. We carry the permits and insurance for it, run a fire watch and keep extinguishers on the roof. Where open flame is not appropriate — a wood deck in poor condition, an occupied building with tight access — we quote a cold-applied or coating system instead and say why.
What We Roof in Nob Hill
If the roof is flat or low-slope, torch down is on the table:
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Homes with Flat Sections
Additions, garages and mid-century flat roofs where shingles were never the answer.
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Apartments & HOAs
Staged section by section so tenants stay put and the lot stays usable.
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Commercial Buildings
Offices, retail and light industrial, scheduled around your hours.
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Low-Slope Roofs
Shallow pitches where water moves slowly and details decide everything.
Before and After
The same roof, cracked and ponding, then two plies down with a white cap sheet.
Warranty and Lifespan
Installed to spec, a two-ply torch down roof runs twenty years and up, and the manufacturer warranty is written for 10, 20 or 25 years depending on the system we specify. The paperwork is registered in your name, not left in a folder. We check the roof after the first rainy season so small things stay small.
Repairs and Maintenance
Most calls start with a leak over one room. We trace it to the source — a split lap, a failed pipe flashing, a drain that never cleared — repair it and photograph what we found. Two things keep a flat roof going: clear the drains before the rains, and have the flashings looked at once a year.
Serving Nob Hill and the Foothills
We install and repair torch down throughout Nob Hill, Tujunga, Shadow Hills, Lake View Terrace, La Crescenta, Sylmar and the rest of the northeast city. Flat roof work is dry-weather work, so the calendar tightens once the rain starts — call early.
We’ll measure the roof, check the deck, drains and flashings, and tell you whether torch down is the right system.
Other roofing services we provide in Nob Hill
Everything below is the same crew, same city, same free inspection.
TORCH DOWN ROOFING NOB HILL, CA
FLAT ROOFS IN NOB HILL
WHAT TORCH DOWN ACTUALLY FIXES
Leaks over a tenant space in Nob Hill almost always trace back to a lap, a flashing or a drain rather than the field of the roof. Marine air keeps a flat roof damp into the morning, so drainage and a clean cap sheet matter more here than anywhere.
Lifespan and warranty
Installed to spec, a two-ply torch down roof runs twenty years and up. The manufacturer warranty is written for 10, 20 or 25 years depending on the system, and we register the paperwork in your name.
How the job runs
- Free inspection with photos of every penetration and drain
- Written scope and price before anything is booked
- Tear-off and deck repair, with bad bays shown to you
- Two plies down, welds probed as the crew goes
- Flashings, drains and edge metal detailed
- Daily clean-up and a final walk with you on the roof
What goes on your Nob Hill roof
- Roof deck, repaired where it is soft
- Insulation or cover board, depending on what the building needs
- Modified bitumen base sheet, torched and rolled so the whole sheet bonds
- White Polyfresko cap sheet, seams welded and probed
- Edge metal, curb and pipe flashings detailed last
Serving Nob Hill and nearby
We install and repair torch down roofs throughout Nob Hill and the surrounding San Francisco County communities, including Russian Hill, Chinatown and Pacific Heights.
When we recommend something else
If the roof is sound and simply weathered, a silicone coating is cheaper than a tear-off and we will tell you so.
What it costs in Nob Hill
A cut-up roof with ten curbs costs more per square than an open one, because the detailing is the work.
Access matters too: a roof you can only reach by ladder and bucket takes longer than one with a loading zone.
What you can expect from us
Neighbours get a heads-up about the dumpster before it lands.
- Warranty paperwork is registered for you, not left in a folder for you to chase.
- Ice-and-water goes in at the valleys and penetrations even though it rarely freezes here.
- We show you the soft spots before they are covered, not after.
- You get a start date and a finish date in writing, and we hold them.
What torch down does better
The practical reasons it keeps getting specified here:
- Repairs weld into the existing sheet, so a fix becomes part of the roof
- The white Polyfresko cap sheet reflects heat rather than storing it
- It handles ponding better than a single-layer repair ever will
- Two plies mean a second line of defence over the whole roof, not just the patches
- Heat-welded seams fuse the plies instead of relying on adhesive
Nob Hill in detail
Nobody roofs Nob Hill the way they roof a tract in the desert, and the marine layer holds moisture on the roof well past sunrise. From the yard it is roughly 338 miles northwest to Nob Hill - no travel surcharge, no week-long wait.
You will see our trucks in Russian Hill, Chinatown and Pacific Heights on the same run.
- Tear-off debris leaves the same day; nobody is left with a pile over the weekend.
- Skylights are re-flashed as part of the job rather than quoted as an extra later.
- Tile is sorted and reused where it is sound, which keeps the roof looking original.
- We photograph every penetration before and after, so the file shows the work.
- Material is delivered the morning of the job, not left on the driveway for a week.
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.
Book a free Nob Hill inspection
The estimate is free. Call (818) 275-0921 and we will measure your Nob Hill roof, check the deck, laps and drains, and tell you plainly whether coating is the right call.
What goes wrong when it is done cheap
Before we quote we check the deck, the ventilation, the flashings and the drainage. Three of those four are invisible from the ground, and all four decide how long the roof lasts.
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.
What this costs in Nob Hill, honestly
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.
FREQUENTLY ASKED
QUESTIONS
Find answers to common questions about torch down roofing in Nob Hill.
CLEAR ANSWERS. LOCAL EXPERTISE.
NOB HILL, CA TORCH DOWN ROOFING
How long does the work take?
Most single-family roofs in Nob Hill 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.
Is torch down right for a flat roof in Nob Hill?
For most flat and low-slope roofs in Nob Hill, yes. Two plies of modified bitumen with heat-welded seams handle ponding and UV far better than patching.
Is the torch safe around my Nob Hill building?
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.
Can you work around solar panels?
Yes. Panels are detached and reset on a schedule that matches the roofing crew, and the penetrations are re-flashed properly when they go back.
What happens to the old roof and the mess?
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.
How long does a torch down roof last?
Installed to spec, twenty years and up, with a manufacturer warranty of 10, 20 or 25 years depending on the system.
How much does a new roof cost in Nob Hill?
Cost depends on the size and pitch of the roof, the material you choose, how many layers come off and what the deck looks like underneath. We inspect the Nob Hill property, measure it and put a detailed number in writing before anything is booked.
What is the 2-ply Polyfresko system?
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.
Nob Hill Torch Down Roofing — and the five closest cities
Nob Hill sits next to these, and we cover all of them from the same trucks:
- Chinatown Torch Down Roofing 1 mi
- Russian Hill Torch Down Roofing 1 mi
- North Beach Torch Down Roofing 1 mi
- Telegraph Hill Torch Down Roofing 1 mi
- Financial District Torch Down Roofing 1 mi
We cover Chinatown, Russian Hill, North Beach, Telegraph Hill and Financial District from the same yard as Nob Hill. Same crews, same pricing, same free inspection.
Other roofing services in Nob Hill
Everything below is the same crew, same city, same free inspection.
