Restaurant Roofing in Brockton, MA
Restaurant owners blame the weather when a ceiling tile drips into the dining room. Grease is the likelier cause. Exhaust fans throw it onto the roof, where it softens the sheet, clogs the drain and eats the sealant at the curb. A kitchen roof ages faster than the roof next door because of what leaves the stack.
Restaurant roofs in Brockton, MA carry that load through a winter of about 34 inches of snow and freeze-thaw. The result is a roof with a worn patch downwind of the fan, a drain full of residue and a curb that has been walked on once a week for years. We find the worn patch, clear the drain and rebuild the curb. Replacement comes last. A stained ceiling does not have to mean a new roof. Often it means a worn patch, a curb and a drain, and fixing those costs a fraction of the whole.
Look Downwind of the Exhaust Fan
Grease follows the wind. It lands in a fan of residue on one side of the stack and softens the membrane there. The sheet gets spongy or blisters, and its seams let go. The rest of the roof can be fine.
We map the damage against the fan. If it clusters downwind, the exposure is the cause. Then we cut out the bad area and install a compatible sheet, such as a PVC roof section, which resists many oils and welds cleanly. A grease pan or containment kit under the fan reduces the next round of damage. The patch alone would only repeat the failure. Grease also gets into laps and under flashing, where it lifts adhesive. We probe seams near the fan with a blunt tool and mark any that move. A seam that moves under a probe will not hold through a freeze.
Check the Hood and the Line Before the Roof
A drip near the kitchen may come from a hood duct, a make-up air coil or a condensate line. The roofer gets called anyway. The mechanical contractor should have been called first.
We trace the water before we cut. We follow the duct and the condensate line, then check the rooftop equipment curb and its flashing. A curb that has been walked on and never rebuilt leaks every time it rains. If the line is dry and the curb is wet, the roof is the cause and we say so. If the line is wet, we say that too, and we leave the sheet alone. Walk-in coolers add condensers on the roof, and their lines cross the sheet at their own boots. A cracked boot there looks identical from below. We test each before we call it.
Clear the Drain Before Grease Sets
Grease mixes with leaves and grit and sets like wax in cold weather. A drain choked with it backs up in the first heavy rain. Water stands on the sheet and finds the nearest seam. In January the ponded water freezes.
We clear the drain, scrub the bowl and check the overflow. We look at the walkway pads between the hatch and the fan, since a worn path is a leak path. About 50 inches of precipitation falls in Brockton each year, and a greasy drain gets tested by every inch. A cleaning schedule based on how often the kitchen runs is cheaper than a ceiling repair. We write one for each restaurant we visit. Photos of the bowl before and after cleaning go in the file. If the bowl fills faster than expected, grease is escaping the filter, and the kitchen can fix it at the source.
Keep the Dining Room and the Line Open
A restaurant cannot lose a lunch rush. We work early, before the doors open, or after close. Hot work and flame stay away from the grease. Propane torches do not belong near a stack coated in residue. We use cold-applied and welded methods where we can.
Roof access goes through a back hatch or an exterior ladder, and the crew keeps clear of the delivery door. Odors and dust stay out of the dining room by closing or covering intakes. The manager gets a call before and after each visit. Debris leaves by hoist, away from the patio and the delivery door. If a tenant above or beside the restaurant shares the roof, we tell them the schedule too. Nothing sits open overnight above the kitchen. The crew closes each section before it leaves. A commercial roof leak repair in a working kitchen needs a plan that respects the line.
Patch the Worn Patch, Replace Only What Failed
A restaurant roof often needs a section, not the whole thing. A section replacement downwind of the fan, plus new curb flashing and a cleaned drain, may cost far less than a full tear-off. Cores show whether the insulation is dry.
Dry board means repair is enough. Wet board spread wide means replacement. A flashing failure at a wall or a unit is a local fix. Fan curbs deserve a fresh look at every repair, because grease softens the old sealant and the curb flashing behind it. We replace both together and record the date. We give a price for each route and our pick. The state's 10th edition building code rests on the 2021 International Building Code, and we read it before recommending a recover over old layers.
Handle Snow, Ice and Gusts at the Curb
Brockton's February snow reaches 12.8 inches in the normals. The wind averages 14.3 mph, with hurricane-force gusts in a nor'easter. Snow packs around fans and units, melts and refreezes. Ice at a curb pries the flashing open.
A restaurant at Patriot Place in Foxborough, an outdoor complex finished in 2009 with restaurants and shops, or in the mixed-use buildings along Union Street in Rockland, carries the same constant kitchen load on its roof. We check edge metal, fan stands and curbs in fall and again after the last thaw. Each visit ends with a photo of the fan, the drain and the curb, so next year's visit shows what changed.
Count One Closed Night
A leak over the dining room costs a night's sales. A leak over the kitchen can close the line. Left alone, wet insulation grows each winter until a small cut-out is a section replacement. Grease also hides damage until the sheet fails.
A short repair list this fall beats an emergency in January. A hotel with its own kitchen adds the same exhaust load to a larger hotel roof, and a restaurant inside a plaza shares its roof with neighbors, the way a shopping center does. Send the restaurant address and a photo of the worst spot, plus where the fan sits.
Commercial Roofing Questions
Why does my restaurant roof wear out faster?
Grease and heat from exhaust attack the sheet downwind of the fan.
Can you repair the roof while we serve?
Yes. We work early or after close, away from open flame and grease, and we keep the crew clear of the delivery door and the patio.
Do you use torches on restaurant roofs?
We avoid them near grease. Cold-applied and welded methods cover most repairs.
How often should we clean the drain?
More often than a plain building. We set a schedule based on how much the kitchen runs, and a restaurant with a heavy fryer line may need it monthly in summer.
What do you need to start?
The address, a photo of the stain and where the exhaust fan sits.