Plain answers about roofing in Newton
Most roofing questions here land in four places: what to do when water is coming in, why ice builds at the eaves, what permits and registrations apply in Massachusetts, and how to compare roofers. Short version: photograph the damage, call, and get the quote in writing after an inspection.
- Roof repair and full replacement
- Ice dams, leaks and storm damage
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When water is coming in
How do I find where a roof leak starts?
From inside, follow the stain upward and check the attic for damp insulation, darkened sheathing or daylight. Chimneys, valleys, skylights, dormers and wall-to-roof joints are the usual entry points in older houses. The roofer then confirms the source from the roof, since the stain and the opening rarely line up.
Should I put a tarp on the roof myself?
Better not. A wet or icy roof is a hard place to work, and a poorly fastened tarp can tear shingles or let water in at the edges. Photograph the damage from the ground, contain the water inside, and ask the roofer whether a temporary cover is possible before a repair.
Why did a leak appear only during the thaw?
Meltwater is the usual suspect. Snow on the warm part of the roof melts, runs down, and refreezes at the cold eave, where it can back up under shingles and drip indoors. If it stops once the thaw ends, read the ice dam guide.
Winter, wind and storms
What actually causes an ice dam?
Heat from the living space and air leaks melt snow on the roof, and the water refreezes at the cold eaves. State guidance names poor insulation, air leaks around recessed lights, ducts and attic hatches, and poor ventilation as causes. Mass Save offers a home energy assessment that looks at those.
Do I need an ice barrier under new shingles?
Massachusetts code, 780 CMR R905.1.2, calls for an ice barrier at the eaves where there is a history of ice, running to at least 24 inches inside the exterior wall line. Your local building department can say whether your town is designated, and the roofer should know.
Do nor'easters really damage roofs here?
They can. The January 2018 storm brought at least 17 inches of snow to Boston along with gusts of 76 mph on Nantucket, and a 2014 tornado in Revere damaged more than 100 homes. Lifted shingles and fallen limbs are the usual results of ordinary storms.
Permits and paperwork
Does a repair need a permit, or only a replacement?
In Newton, a full roof replacement needs a building permit and minor repairs do not. Other towns draw the line differently, so ask the roofer to confirm with your building department. The permit guide goes through what usually applies.
Do historic districts affect roofs?
They can. Newton Upper Falls has a local historic district, and Lexington, Weston, Brookline and Cambridge have commissions too. Ask the local commission before choosing a material or color, because exterior changes such as re-roofing may need review before work.
What should a roofing contract in Massachusetts include?
A written contract, the contractor's Home Improvement Contractor registration number, a clear scope and a payment schedule. One published guide reports a one-third deposit limit and a three-day cancellation right; check mass.gov for the rule. The contract guide has detail.
Materials and choosing a roofer
How long should a roof last in Massachusetts?
Published guides give asphalt roughly 20 to 30 years, cedar 30 to 40 and slate 75 to 100 or more. These are third-party figures, and a roof's actual life depends on ventilation, exposure and installation. The lifespan guide covers freeze-thaw and snow effects.
Can I add a new layer over the old shingles?
One third-party summary says Massachusetts allows no more than two layers of asphalt shingles, and that a third needs a full tear-off. Treat that as a lead, not the rule, and ask the roofer and the building department to confirm against the code.
How many quotes should I get?
Two or three is common. Compare scope, not only totals: decking replacement, flashing, ice barrier, permit handling and cleanup. Because published cost guides disagree by a factor of two or more, a second quote helps you see where the first one sits.
Question not answered here?
Call and ask. A technician will give you a straight answer, even if the answer is that you do not need us.