Shrinkage repair
Stretched corners are cut free and patched with termination bar where needed.
Most leaking rubber roofs in Mahwah can be repaired, since EPDM patches bond well when the surface is cleaned and primed properly, once the actual leak point is located. Dial (551) 351-0251 to talk with a local roofer about the leak.
Rubber roofs fail in a few predictable places. Seams lead the list, since older EPDM roofs were often seamed with liquid adhesive that breaks down over time. Punctures and failed flashing at walls, curbs and vents round out the usual causes.
Over time, EPDM slowly shrinks, and that causes its own kind of damage. Shrinking rubber pulls tight at the perimeter, tenting across corners and tearing at flashing seams. Repairing shrinkage means relieving the strain and reflashing, not smearing sealant on the split.
Avoid one common shortcut before the roofer arrives. Asphalt roof cement, tar and many general purpose sealants contain solvents that soften and swell EPDM, and nothing made for rubber will bond over them later. Instead, catch drips inside, stay off the roof when it is wet and note where stains appear.
Many rubber roof repair calls in Mahwah also turn up a need for rubber roof installation or flat roof repair.
Need rubber roof repair in Mahwah? Call (551) 351-0251 to talk to a local roofer.
Call nowHere is how a roofer usually handles a rubber roof repair.
Seams, perimeter flashing and penetrations are checked first, since that is where most rubber roofs leak. The roofer also checks whether water has soaked the insulation underneath.
The repair area is cleaned thoroughly, because dirt and chalky residue keep patches from bonding. Earlier tar repairs are cut away.
A rubber primer is applied and given time to dry to the touch. This step is what lets the patch bond chemically to aged rubber.
A rubber patch extends well past the damage, gets rounded corners and is rolled to remove air. Corners and penetrations use flexible uncured flashing.
Failed laps are reopened, cleaned and resealed with modern seam tape. Lap sealant protects the edges.
Bridged corners are cut free and new flashing is installed to relieve stress. New termination bar and counter flashing keep the top edge sealed.
Stretched corners are cut free and patched with termination bar where needed.
Damaged rubber is covered with new membrane with rounded corners.
Failed seams get a new cover strip with lap sealant at the edges.
Compatible coatings can extend the life of weathered EPDM once all leaks are fixed.
Pipes and vents get new rubber flashing with pre-molded boots or uncured flashing.
EPDM roof repair follows a strict sequence: clean, prime, patch, roll and seal. A clean, dry surface, a properly dried primer and a firmly rolled patch are what make an EPDM repair hold. Lap sealant finishes the edges.
In Mahwah, rubber roof repairs are best done on dry days when the membrane is not too cold. If a leak cannot wait, a temporary fix holds until a permanent repair is possible. A proper patch should follow as soon as possible.
There comes a point where patching an EPDM roof stops being worth it. Widespread seam failure, heavy shrinkage, cracking rubber or soaked insulation are signs replacement is due. A moisture scan shows how much is still dry.
Replacement options include new EPDM or a heat-welded membrane like TPO. If the existing roof is a single layer with dry insulation, a recover may be possible, but wet insulation means a tear-off. Ask the Mahwah roofer to compare repair and replacement for your roof.
Around Mahwah, rubber roofing is found on additions, carports and flat roofs that have been in place for years. Homes in Mahwah and nearby places including Ramsey, Allendale, Ringwood and Oakland get the most from an EPDM roof when seams and flashing are checked every year or two, so a check after big storms is worth it.
For rubber roof repair in Mahwah, NJ or nearby towns like Ramsey, Allendale, Ringwood and Oakland, call (551) 351-0251 to reach a roofer who covers your street.
Cold winters bring snow, ice and a long stretch of freezing nights. When warm attic air melts the snow, the meltwater runs down and freezes again at the eaves, building ice dams that push water up under the shingles. Strong coastal storms push rain into every weak spot at the flashing and valleys. That is why roof repair in Mahwah is busiest after a hard winter and before the next one.
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Roofers in Mahwah know the roof types and weather wear common in local homes.
Ask the roofer about the cause, the options and the estimate before work starts.
More questions? Call (551) 351-0251
EPDM rubber roof installation with the right thickness, attachment method and flashing details, so the roof stays flexible and watertight for decades.
Learn moreFlat roof repairs matched to the membrane, whether EPDM, TPO, PVC, modified bitumen or built-up, with the patch made from material that bonds to what is there.
Learn moreLiquid-applied roof coatings that seal seams, reflect heat and add years to a roof, when the roof underneath is still dry and solid.
Learn moreStopping water at the pipe boots, flashing, valleys and nail holes where roofs actually leak, before wet decking and insulation turn into rot.
Learn moreLooking for something else?
See all roofing servicesCall (551) 351-0251 to talk to a roofer serving Mahwah, NJ.