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Call (720) 372-8617 En español: (720) 249-6203

Open 24 hours, 7 days a week · Hablamos español

Overhead view of a charcoal hip roof and a low-slope flat section finished together

AXEL Roofing · Flat Roofs

Flat and Low-Slope Roofing in Centennial, CO

Patio covers, porch roofs, additions and garages. The right membrane for low pitch, tied cleanly into the main roof.

En español: (720) 249-6203

Low slope needs a different roof

Shingles shed water by gravity. On a roof with very little pitch, water moves too slowly, wind-driven rain backs up under the laps, and the roof leaks. Flat and low-slope sections need a system made for them: a continuous membrane that keeps water out even when it sits for a while.

Plenty of Front Range homes have at least one of these sections, like a covered patio off the back of a ranch, an enclosed porch, a garage or a later addition. They're often the first place a house leaks.

Licensed & insured15-year workmanship warranty18+ years

Finished charcoal shingle roof tied into a low-slope patio roof over a back deck

Flat Roofs

Where the problems start

01Ponding
Water that sits in low spots after a storm breaks roofing down faster and finds any seam.
02Tie-ins
The joint where a flat section meets a pitched roof or a wall is the most common leak point. It needs proper flashing, not caulk.
03Old roll roofing
Mineral-surfaced roll roofing cracks and lifts at the laps as it ages in the sun.
04Drainage edges
Without a proper edge and gutter, water runs behind the fascia and rots the wood.

What we install

The right system depends on pitch, drainage and whether anyone walks on it. We recommend a low-slope membrane that fits your roof, tie it into the main roof with new flashing, and finish the edges so water ends up in the gutter where it belongs.

The photos on this page are one of our jobs: a charcoal shingle roof with a low-slope patio section, finished together.

Drone view of a finished charcoal shingle roof with a low-slope section at the back

Questions

Flat Roofs FAQ

Can a flat roof be repaired, or does it need replacing?

Small failures at seams and tie-ins can often be repaired. If the membrane is cracked across the whole surface or the deck underneath is soft, replacement is the better value.

Can you redo a flat section with the main roof?

Yes, and it's usually the smart time to do it. The tie-in between the two gets built once, correctly.

I am so happy with how my roof and gutters look. Hiring Axel Roofing Construction was a great decision; they are very professional and deliver exactly what they promise in the contract. I highly recommend Jose and his company, Axel Roofing.

James J. · Google review

Free roof inspection

Book a free inspection in Centennial.

Patio roof leaking where it meets the house? That joint is usually the culprit. We will take a look.

  • Call · English(720) 372-8617
  • Call or text · Español(720) 249-6203
  • HoursOpen 24 hours, 7 days a week
  • LanguageEnglish · Hablamos español

Book your free roof inspection

Tell us where the roof is. We call back to set a time.

Prefer to talk? Call (720) 372-8617, any time. En español: (720) 249-6203.

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