
Skylights
Skylights get blamed for a lot of leaks they did not cause. Almost always it is the flashing around them, which is a roofing job rather than a window one.
Replace the flashing with the unit
A skylight and its flashing kit are one system. Dropping a new unit into old flashing saves an hour and reliably leaks within a couple of seasons.
When we replace a skylight we replace the flashing with it, and we integrate it into the surrounding shingle courses rather than sealing over the top and hoping. Caulk is not flashing.
Doing it during a re-roof is the cheap moment
If your skylights are more than fifteen years old and you are replacing the roof, replace them at the same time. The roof is already open, the flashing is being redone anyway, and the marginal cost is a fraction of doing it as its own job later.
Fogged glass, a failed seal, or a unit that has started weeping at the corners is telling you the time has come.
New openings
Cutting a new skylight into an existing roof is framing work as much as roofing: the rafters have to be headed off properly and the opening lined through to the ceiling. We do the full job rather than the roof half of it.
Common questions
- My skylight leaks in heavy rain but not light rain. Why?
- That pattern usually points at flashing rather than the unit itself — water is getting under the shingle courses above the skylight and only in enough volume to show during a downpour. It is a common and fixable failure.
- Can you replace a skylight without redoing the roof?
- Yes. We open up the shingles around the unit, replace it and its flashing, and weave the shingles back in.
Work like this
See the full gallery-
Skylight replacement
Need skylights?
Tell us what the roof is doing and we will come and look at it. Free estimate, no obligation, and a straight answer about what the job actually needs.
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$500 off a complete roof installation
Applied to your estimate for a full roof replacement.
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$100 off any roof repair
Applied to your estimate for repair work of any size.
- Offers cannot be combined. Not valid on work already completed.
- Call us
- (617) 244-9901
- Office hours
- Mon–Sat, 7am–7pm
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