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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 Irvine, Los Angeles and Southern California. 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

IRVINE, CA
Two Plies, Welded Seams, No Guesswork.
Torch down roofing in Irvine 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 Irvine, Tujunga, Shadow Hills, Lake View Terrace and the northeast San Fernando Valley.
Irvine 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.
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.
Where the building wants R-value, polyiso goes down; otherwise a cover board gives the torch a sound, even surface.
The modified bitumen base ply is torched and rolled so the whole sheet bonds, not just the edges.
The white cap ply goes over it, seams welded and probed. White means the roof reflects heat instead of storing it.
Curbs, pipes, parapets, edge metal and drains are detailed last, because that is where flat roofs actually leak.
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.
If the roof is flat or low-slope, torch down is on the table:
Additions, garages and mid-century flat roofs where shingles were never the answer.
Staged section by section so tenants stay put and the lot stays usable.
Offices, retail and light industrial, scheduled around your hours.
Shallow pitches where water moves slowly and details decide everything.
The same roof, cracked and ponding, then two plies down with a white cap sheet.


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.
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.
We install and repair torch down throughout Irvine, Tujunga, Shadow Hills, Lake View Terrace, La Crescenta, Sylmar and the rest of the northeast San Fernando Valley. 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.
TORCH DOWN ROOFING IRVINE, CA
Leaks over a tenant space in Irvine almost always trace back to a lap, a flashing or a drain rather than the field of the roof. Inland heat and seasonal wind work every lap, so the welds and the flashings are where the money belongs.
Where open flame is not appropriate, on a poor wood deck or a tight occupied building, we quote a cold-applied or coating system and say why.
We install and repair torch down roofs throughout Irvine and the surrounding Orange County communities, including Tustin, Santa Ana and Costa Mesa.
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.
A hot attic shortens any roof, so the venting is part of the quote, not an upsell.
Access matters too: a roof you can only reach by ladder and bucket takes longer than one with a loading zone.
Price follows square footage, how many layers come off, how much decking needs replacing and how many penetrations the roof carries.
The practical reasons it keeps getting specified here:
The estimate is free. Call (818) 275-0921 and we will measure your Irvine roof, check the deck, laps and drains, and tell you plainly whether coating is the right call.
Nobody roofs Irvine the way they roof a tract in the desert, and dry heat shrinks sealants until the details let go. Our shop sits about 35 miles southeast of Irvine, so a crew is on site the same morning.
We know Tustin, Santa Ana and Costa Mesa as well as we know Irvine.
Leaks found in summer cost a fraction of the same leak found in February. No pressure, no same-day-only discount, no hard close.
We do not use subcontract crews we have never met. The people on your Irvine roof are the people we train, and they carry our workers' compensation.
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.
FREQUENTLY ASKED
Find answers to common questions about torch down roofing in Irvine.
CLEAR ANSWERS. LOCAL EXPERTISE.
IRVINE, CA TORCH DOWN ROOFING
You get the manufacturer warranty on the materials and ours on the workmanship, both in writing. The paperwork is registered for you and transfers if you sell.
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.
For most flat and low-slope roofs in Irvine, yes. Two plies of modified bitumen with heat-welded seams handle ponding and UV far better than patching.
Installed to spec, twenty years and up, with a manufacturer warranty of 10, 20 or 25 years depending on the system.
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 Irvine property, measure it and put a detailed number in writing before anything is booked.
We do. Permits and inspections go through the local building department and we handle the paperwork rather than leaving it to you.
Yes, licensed, bonded and insured, with workers' compensation on every crew. Certificates are available before work starts.
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.
We work the same streets around Irvine. If you are closer to one of these, the crew is already there most weeks:
We cover Tustin, Santa Ana, Costa Mesa, Orange and Newport Beach from the same yard as Irvine. Same crews, same pricing, same free inspection.