Roof drains and sumps
Cleared, resealed or rebuilt, with new clamping rings and strainers where they are missing.
Commercial Gutters & Roof Drainage, at a glance
John Beal Roofing installs and repairs commercial gutters, scuppers, downspouts, roof drains and tapered drainage systems across St. Louis. Standing water is the most common cause of premature low-slope roof failure in this market, and most of it traces to blocked drains, undersized downspouts or a roof that never drained correctly. Free inspections. Call (314) 429-6000.
What Is Included
The Work, Line By Line
Scuppers and overflow
Correctly sized secondary drainage so a blocked primary drain does not load the deck with water.
Commercial gutters
Heavy-gauge gutter and downspout sized to the roof area, hung to handle Midwest downpours.
Tapered insulation
Slope built into the roof assembly so water reaches the drains instead of sitting in a low spot.
Roof replacementPonding correction
Water standing more than 48 hours after rain is a defect. We find out why and fix the cause.
Flat roof repairSeasonal clearing
Twice-yearly clearing as part of a maintenance program, before the leaves and before the freeze.
Maintenance programs
Why This Company
Family-Run In St. Louis Since 1947
John Beal's grandfather started this company in 1947. Three generations later it is still owned by the family, still headquartered in Maryland Heights, and still sending out the same crews it trains itself.
That matters on a commercial roof because the warranty is only worth the company standing behind it. Storm-chasing outfits sell hard for six weeks after a hail event and are unreachable by the time the seams open up.
- A real 24/7 line. A live dispatcher answers at 2 a.m., not an answering service that takes a message until Monday.
- Manufacturer certified. Owens Corning Platinum Preferred, with the certifications commercial systems require for full warranty coverage.
- Documented every visit. Dated photos, measurements and a written scope, so owners and boards have a record and adjusters have evidence.
- Lifetime workmanship warranty. On qualifying work, backed by a company that has been here since 1947.
Related: Ponding water: causes and fixes
Common Questions
How long should water stand on a flat roof?
No more than 48 hours after rainfall. Past that it is ponding, and most manufacturers treat it as a warranty problem.
Can ponding be fixed without replacing the roof?
Often yes — clearing and rebuilding drains, adding scuppers, or installing tapered insulation in the low areas.
Do you clean commercial gutters?
Yes, and we include drain and gutter clearing in maintenance programs.
Why does my roof leak only in heavy rain?
That usually points to drainage capacity, not a hole. Water backs up above a flashing height and finds a lap.
Do you replace interior roof drain piping?
We handle the roof drain assembly and coordinate with a plumber for interior piping.
Free Commercial Roof Evaluation
Tell us about the building and a dispatcher will call to schedule.