Washer replacement
Backed-out fasteners are replaced, sized up where needed which stops the most common metal roof leak.
Most metal roof leaks in Maplewood come from fasteners, laps and flashing, and all of them can be repaired without replacing the roof, before rust or wet insulation spreads the damage. Dial (973) 858-1830 to talk with a local roofer about the leak.
When a metal roof leaks, the panel is usually fine and the screw holding it is not. Ribbed and corrugated metal relies on hundreds of washered screws, and sun and heat slowly harden the washers until they leak. Panels also expand and contract with every day of heat, which works screws loose and wallows out their holes.
Next come the seams, laps and trim pieces. Where one panel overlaps another, the sealant can dry out or wash away, and missing closures at the ridge and eaves let rain and pests in. Rust starts at cut edges, scratches and fastener holes and moves faster where two different metals touch.
Repairs make sense while most of the panels are solid and the rust is limited to spots. It helps to know whether the leak appears during rain or on cold, dry mornings, since metal roofs can sweat. Stay off the roof, especially when wet or frosty, since painted metal is extremely slick.
Many metal roof repair calls in Maplewood also turn up a need for metal roof coating or metal roof inspection.
Looking for Maplewood metal roof repair? Call (973) 858-1830 to reach a nearby roofing contractor.
Call nowRepairing metal is about fasteners, sealant and movement.
Water often travels along a purlin or panel rib before dripping, so the source is traced uphill from the stain. If the cause is unclear, a water test narrows it down.
Every leaking screw is pulled and replaced with a new washered fastener, sized up where the hole has worn. Screws that missed the purlin are moved and the old hole sealed.
Failed laps are cleaned, dried and resealed with butyl tape or a sealant made for metal roofing, then stitched with lap screws. Sealant has to stay flexible to handle thermal movement.
Light rust is cleaned and primed, while holes are covered with a matching metal patch set in sealant and fastened. If copper or treated wood touches the panel, that contact is broken.
Ridge and edge trim is resecured, closures added where missing and vent boots replaced. Single panels are replaced when patching would not hold.
Backed-out fasteners are replaced, sized up where needed which stops the most common metal roof leak.
Leaking penetrations are resealed or reflashed that conform to the panel ribs.
Bent or lifted trim is reset or replaced to close gaps at the roof edges.
Failed side and end laps are cleaned and resealed instead of being smeared with caulk.
Corroded areas are treated and sealed to keep the panel in service.
Metal roof leak repair starts by sorting out where the water really comes from, since it can travel a long way along a rib or purlin. Most leaks come from a short list: screws, seams, ridge trim, boots and wall flashing. Each of those has a proper repair that holds, which a tube of caulk does not.
Many Maplewood metal roofs sit over insulation that hides a leak until it is well established. Catch drips in a bucket, and if water is near wiring or fixtures, cut power to that area at the breaker panel when it is safe. After that, a roofer can trace the leak to its source.
Corrugated panels, the classic wavy metal roof, have their own repair habits. The fasteners are exposed to sun and weather, so washers wear out and nails on older roofs back out. Replacing old nails with gasketed screws is often the single most useful repair.
A rusted corrugated panel in Maplewood can be cut out and replaced without redoing the whole roof. Matching the rib spacing and depth is what lets a new panel lap tightly with the old ones. Getting the lap direction right keeps wind-driven rain out.
In Maplewood, most metal roof repairs trace back to aging screws, open laps and rust at the edges. Across Maplewood and nearby communities including Vauxhall, Union, Springfield and Short Hills, metal roofs that went decades without a fastener check are the ones with the most leaks, which is why replacing worn fasteners before they leak is the simplest kind of metal roof care.
Need metal roof repair around Maplewood? Call (973) 858-1830 for a Maplewood roofer who serves the towns around it too.
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. When warm attic air melts the snow, the meltwater runs down and freezes again at the eaves, which is how ice dams form and back 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 Maplewood 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.
Local roofers see the same roofs and storm damage across Maplewood and nearby towns.
Ask the roofer about the cause, the options and the estimate before work starts.
More questions? Call (973) 858-1830
Elastomeric and silicone coating systems that renew an aging metal roof, as a step between repair and replacement.
Learn moreA close check of the fasteners, seams, finish, trim and flashing on a metal roof, with findings ranked by urgency.
Learn moreReplacing a rusted or worn-out metal roof, or swapping an old shingle roof for new metal, so the new roof starts on a sound base.
Learn moreStanding seam metal roofing installed, repaired and detailed for thermal movement, for homes, additions and low slope roofs.
Learn moreLooking for something else?
See all roofing servicesCall (973) 858-1830 for a local roofer in Maplewood and nearby towns.