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Skylights · Long Island

Skylight Repair On Long Island

Leaking skylights, failed seals, damaged flashing and cracked glass fixed at the source. Serving homes across Nassau and Suffolk County, and open 24/7 for leaks.

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A skylight that drips during a storm is more than an annoyance. Water that gets past a skylight soaks the drywall around the opening, stains the ceiling and can rot the framing and roof deck. Left alone, a small skylight leak can turn into mold and a ceiling repair.

Home Crew Construction handles skylight repair on Long Island for homes in Nassau County and Suffolk County. We find where the water is actually getting in, which often isn’t where the stain shows up, and fix it properly. It’s part of our full range of skylight services.

Quick answer: Why is my skylight leaking?

Most skylight leaks come from failed or badly installed flashing around the frame, not the glass. Worn seals, cracked glass and condensation are the other common causes. Home Crew Construction finds the source and repairs leaking skylights across Nassau and Suffolk County on Long Island, and is open 24/7 for active leaks.

How it works

How a skylight stays dry.

Most skylight leaks come from the flashing around the frame, not the glass. Here is how the pieces go together.

Illustration. Point at a part to see what it does.
  1. UnderlaymentSkylightsA water-resistant layer on the deck, turned up the sides of the frame under the flashing.
  2. FrameSkylight replacementThe box that sets the skylight on the roof and brings the light down into the room.
  3. GlassSkylight replacementThe glazed panel. Fogged or cracked glass usually means the unit is due for replacement.
  4. FlashingSeals the frame to the roof. Failed flashing is the usual cause of a skylight leak.

Why skylights leak

Roofer sealing copper flashing around a new skylight on a gray shingle roof
New skylight, copper flashing· Home Crew Construction
  • Flashing. Most leaks start here. Flashing that’s rusted, bent or lifted by wind, or that was installed with caulk instead of proper step flashing, lets water run under the shingles and into the opening.
  • Seals and gaskets. The seals between the glass and the frame dry out and crack with age, letting water in at the edge of the glass.
  • Cracked or broken glass. From hail, falling branches or age.
  • The roof around the skylight. Worn or missing shingles above the skylight, or leaves and ice built up on its uphill side, push water under the flashing.
  • Condensation. Warm, humid air meeting cold glass can drip down the shaft. It looks like a leak but needs a different fix, such as better ventilation or a venting skylight.

Signs your skylight needs repair

Illustration · GlassThe glazed panel. Fogged or cracked glass usually means the unit is due for replacement.
  • Drips or stains around the skylight frame or on the ceiling nearby
  • Peeling paint or bubbling drywall in the skylight shaft
  • Fog or moisture between the panes of glass
  • Cracks or chips in the glass
  • Drafts, or a skylight that feels cold in winter
  • A venting skylight that won’t open, close or seal properly
  • Mold or a musty smell near the skylight

Need help with skylight repair?

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How we repair a leaking skylight

Home Crew roofer on a roof replacement with new skylights on a Long Island ranch house
Skylights set during a roof replacement· Home Crew Construction
  1. Find the sourceWe inspect the skylight from the roof and from inside: the flashing, the shingles around it, the seals, the glass and the shaft.
  2. Explain the fixYou get a clear written price. If the unit is failing and a repair won’t last, we tell you.
  3. Repair the right partThat can mean re-flashing the skylight, replacing seals or gaskets, replacing glass, or repairing the shingles and underlayment around it.
  4. Check and clean upWe check the repair and clean up before we leave.

Should you repair or replace your skylight?

Repair makes sense when the skylight itself is in good shape and the problem is the flashing, a seal or the roof around it. Replacement is usually the better choice when:

  • The glass is fogged between the panes, which means the seal has failed
  • The frame is cracked, warped or rotting
  • The skylight has leaked and been patched more than once
  • You’re replacing the roof anyway

See skylight replacement for how we replace old units.

Skylight leaking right now? What to do

  1. Put a bucket or towels under the drip and move furniture and rugs out of the way.
  2. If the ceiling around the skylight is sagging with water, keep people away from it.
  3. Stay off the roof in the rain.
  4. Take photos of the stain and the skylight.
  5. Call 631-965-0881. We’re open 24/7 for leaks and can tarp the area if the permanent repair has to wait.

Not sure the water is coming from the skylight at all? Leaks travel along rafters and can show up feet away from where they start. Our roof leak repair work starts by tracing the water back to its source.

Need help with skylight repair?

Free quotes, a reply within 24 hours, and we answer the phone 24/7.

5.0 on Google

Get a Free Quote Call 631-965-0881

Preventing skylight leaks

Illustration · FlashingSeals the frame to the roof. Failed flashing is the usual cause of a skylight leak.

A quick look once a year goes a long way. Keep leaves and debris off the uphill side of the skylight, watch for ice building up above it in winter, and check the ceiling around the frame for new stains. Skylight flashing is part of the roof, so when we do roof repairs or roof flashing repair, we check your skylights too.

Home Crew Construction is a family-owned, third-generation business based in Rocky Point, with a 5.0 Google rating. Call 631-965-0881 or request a free quote. We reply within 24 hours.

Skylight repair FAQ

Common questions.

Still not sure?

Call 631-965-0881 any time. We'll tell you straight whether it's a repair or a replacement.

01

Why do skylights leak?

Most skylight leaks come from failed or badly installed flashing around the frame, not the glass itself. Re-flashing the skylight properly usually stops the leak.

02

Can a leaking skylight be repaired, or does it need replacing?

Often it can be repaired, usually by re-flashing it or replacing worn seals. If the glass is fogged between the panes, the frame is damaged or it has been patched before, replacement is usually the better fix.

03

Is condensation on my skylight a leak?

Not always. Warm, humid air hitting cold glass forms condensation that can drip like a leak, especially over bathrooms and kitchens. We check whether the water is coming from outside or inside before recommending a fix.

04

Do you handle emergency skylight leaks?

Yes. We’re open 24/7. Call 631-965-0881 and we’ll stop the water, tarp the area if needed, and then plan the permanent repair.

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