Flat roof repair, handled fast.
Not every problem on a low-slope roof calls for a full replacement. We repair ponding, seam failures, and punctures for commercial properties across the Denver Metro, and tell you honestly when a repair is enough.
A straight read on the roof over your building: what's wrong, what it costs to fix versus replace, and a plan that keeps you open while the work happens.
- ★★★★★4.8 on Google · 147 reviews
- Licensed & insured
- No obligation
How it works
- 01Free Roof InspectionFreeWe get up on the roof, check every slope, and show you what we found in plain terms. No pressure, no obligation.
- 02Insurance & EstimateNo guessworkHail or wind damage? We document it and work with your insurance company for you. Either way, you get a clear written estimate first.
- 03Construction1–3 daysOur crew tears off and installs your new roof while your project manager keeps you updated, then cleans up until there is not a nail left.
- 04PreventionOngoingA final walkthrough and simple maintenance advice so your new roof lasts. We are a call away whenever the next storm rolls through.
Bring Precise Roofing any written competitor quote for the same scope of work and we will beat it by $500, or we hand you $500 and send you on your way, no hard feelings. Either way, you come out $500 ahead.
Why ponding water is the clock
On a low-slope roof, standing water finds every seam. A recover done before the deck is wet is a fraction of a tear-off after it is.
A low-slope or flat roof develops its own set of problems that a pitched roof never sees, mainly water that has nowhere to run off and has to be routed to drains instead. Precise Roofing repairs ponding, seam failures, punctures, and flashing issues on commercial flat roofs throughout the Denver Metro. Most of these problems are fixable without tearing off the whole roof, and 20 years of doing this work has taught us which ones aren't.
Is water sitting on your flat roof after every storm?
Ponding water that lasts more than a day or two after a rain is a drainage problem, not just a cosmetic one. Standing water adds weight to the roof deck, works into any weak seam or membrane crack faster than runoff would, and ages the roofing material well ahead of schedule. The fix usually isn't a full re-roof, it's regrading the low spot, clearing or adding drains, or building up a small area called a cricket that redirects water where it needs to go. Catching this early is a repair; ignoring it for a few seasons turns into a much larger job.
Warning signs to watch for
Standing water that doesn't drain
If water is still visible on the roof 48 hours after rain stops, the drainage isn't working the way it should. This is one of the fastest ways to age a flat roof beyond its years.
Bubbling or blistered membrane near drains
Drains are where the most water traffic on the roof happens, so membrane failure often starts right there. A blister near a drain is usually trapped moisture that's already gotten under the surface.
Cracks or splits at seams and flashing
Seams and flashing joints move differently than the flat field of the roof, and that's where cracks tend to open first. A crack that looks small on the surface can be letting water through with every rain.
Interior stains directly under low spots
A ceiling stain that lines up with a low or pooling area on the roof above is a strong sign the ponding has already worked its way through. The location of the stain usually points right to the section that needs attention.
What is causing the problem
A roof deck that has settled or was built without enough slope
Some flat roofs were built with minimal slope to begin with, and any settling since then makes low spots worse. Regrading the surface or adding tapered insulation solves the pooling at its source.
Clogged or undersized drains
Debris, granules, and old sealant build up in drains over time and slow how fast water leaves the roof. Clearing and checking drain capacity is often the simplest fix for a ponding problem.
Punctures from equipment, storms, or foot traffic
A puncture lets water straight through the membrane and into the insulation below it. Small punctures are quick repairs when caught before the insulation underneath gets soaked.
Membrane that has aged past a simple patch
If the membrane is brittle or cracking in multiple areas rather than one spot, patching one section just means the next one fails soon after. At that point a coating or replacement is the more honest recommendation.
What to expect during the visit
We inspect the full roof surface, not just the reported problem area, since ponding and seam failures often show up in more than one spot on the same roof. We check drains, flashing, and any low areas, and trace interior stains back to their source on the roof deck. From there we explain what caused the problem and repair the affected section, whether that's resealing a seam, patching a puncture, or regrading a low spot. A project manager keeps you updated through the repair so your team knows what was found and what was done.
Related services you may need
If the membrane itself is aging across the whole roof rather than failing in one spot, Commercial Roof Coatings can extend its service life. For a full picture of where your roof stands, Commercial Roof Inspection covers the drains, seams, and equipment that repairs alone don't always catch.
The cost of waiting
A puncture or a seam crack doesn't leak on a dry day, so it's easy to assume it isn't urgent. But every storm that follows pushes more water into the insulation and the roof deck below, and wet insulation loses its ability to insulate at all. What would have been a straightforward patch repair can turn into replacing a whole section of decking once the water damage spreads.
How do I know if my flat roof needs a repair or a full replacement?
Isolated ponding, a single failed seam, or a puncture are usually repairable without replacing the roof. Widespread membrane cracking, repeated leaks in different spots, or a deck that's showing structural sag point toward replacement instead.
How long does a flat roof repair take?
Most repairs are handled in a single visit once the problem area is identified, though the exact time depends on how many spots need attention and whether the deck underneath needs work too.
What affects the cost of a flat roof repair?
Cost depends on how much of the membrane and insulation is affected, how many separate areas need repair, and whether drainage work is needed alongside the patch. A single small puncture costs far less to fix than a roof with ponding and multiple seam failures.
If your building's flat roof has standing water, a leak, or damaged flashing, call Precise Roofing at (720) 448-9988. We repair low-slope roofs for businesses across the Denver Metro.
Ready when you are.
A free estimate in writing, from a crew that actually shows up.
What homeowners say about flat roof repair.
“I am so happy I found Precise Roofing! I needed a complete roof restoration on my house and garage due to hail damage. Victor and Ben were professional, honest, great communicators and very helpful with the insurance…”
“Couldn’t recommend more. Curtis was prompt, informative and incredibly knowledgeable. Him and his team were a dream to work with during a stressful situation with our leaky roof.…”
“Great company with great ownership! They’re experienced professionals, and it shows. Our project manager was Curtis and he was great. He handled everything after we got hit with a hailstorm and even got us extra money…”
“Victor was wonderful to work with! He was honest and up front with the entire process and was always available if we had questions or concerns.…”
“The whole team at Precise Roofing were absolutely wonderful to work with, helping me get a roof replaced and doing it within the confines of a fast moving Real Estate timeline.…”
“Curtis and his team at Precise Roofing were wonderful. they worked with me, my insurance company and the various subcontractors to complete my roof replacement quickly and professionally.…”
“I am so happy I found Precise Roofing! I needed a complete roof restoration on my house and garage due to hail damage. Victor and Ben were professional, honest, great communicators and very helpful with the insurance…”
“Couldn’t recommend more. Curtis was prompt, informative and incredibly knowledgeable. Him and his team were a dream to work with during a stressful situation with our leaky roof.…”
“Great company with great ownership! They’re experienced professionals, and it shows. Our project manager was Curtis and he was great. He handled everything after we got hit with a hailstorm and even got us extra money…”
“Victor was wonderful to work with! He was honest and up front with the entire process and was always available if we had questions or concerns.…”
“The whole team at Precise Roofing were absolutely wonderful to work with, helping me get a roof replaced and doing it within the confines of a fast moving Real Estate timeline.…”
“Curtis and his team at Precise Roofing were wonderful. they worked with me, my insurance company and the various subcontractors to complete my roof replacement quickly and professionally.…”
“I am so happy I found Precise Roofing! I needed a complete roof restoration on my house and garage due to hail damage. Victor and Ben were professional, honest, great communicators and very helpful with the insurance…”
“Couldn’t recommend more. Curtis was prompt, informative and incredibly knowledgeable. Him and his team were a dream to work with during a stressful situation with our leaky roof.…”
“Great company with great ownership! They’re experienced professionals, and it shows. Our project manager was Curtis and he was great. He handled everything after we got hit with a hailstorm and even got us extra money…”
“Victor was wonderful to work with! He was honest and up front with the entire process and was always available if we had questions or concerns.…”
“The whole team at Precise Roofing were absolutely wonderful to work with, helping me get a roof replaced and doing it within the confines of a fast moving Real Estate timeline.…”
“Curtis and his team at Precise Roofing were wonderful. they worked with me, my insurance company and the various subcontractors to complete my roof replacement quickly and professionally.…”
“I am so happy I found Precise Roofing! I needed a complete roof restoration on my house and garage due to hail damage. Victor and Ben were professional, honest, great communicators and very helpful with the insurance…”
“Couldn’t recommend more. Curtis was prompt, informative and incredibly knowledgeable. Him and his team were a dream to work with during a stressful situation with our leaky roof.…”
“Great company with great ownership! They’re experienced professionals, and it shows. Our project manager was Curtis and he was great. He handled everything after we got hit with a hailstorm and even got us extra money…”
“Victor was wonderful to work with! He was honest and up front with the entire process and was always available if we had questions or concerns.…”
“The whole team at Precise Roofing were absolutely wonderful to work with, helping me get a roof replaced and doing it within the confines of a fast moving Real Estate timeline.…”
“Curtis and his team at Precise Roofing were wonderful. they worked with me, my insurance company and the various subcontractors to complete my roof replacement quickly and professionally.…”
- TPO, EPDM, metal, and modified bitumen roofs installed, repaired, restored, and maintained for Denver Metro businesses.