Hear From Our Clients
You stop checking the ceiling every time it rains. That’s the first thing homeowners notice after a proper skylight window replacement.
The water stains stop spreading. The buckets disappear. Your electric bill drops because you’re not running lights all day just to see in your own home. And when winter hits, you’re not losing heat through a poorly sealed skylight that’s turning your upstairs into an icebox.
A professional residential skylight replacement means you get up to five times more natural light than a standard window. That’s not marketing talk—it’s measurable. Your rooms feel bigger, brighter, and more welcoming without touching a light switch. And with modern ENERGY STAR certified skylights, you’re looking at energy savings around 10-15% monthly because the glass actually insulates instead of bleeding heat.
But here’s what really matters: you’re done worrying. No more wondering if the next nor’easter will send water dripping onto your floors. No more calling emergency repair guys during holidays. You’ve got a skylight built for Suffolk County’s freeze-thaw cycles, installed by people who understand what Long Island weather does to a roof.
We’ve been handling roof skylight replacement in Suffolk County since 2002. We’re family-owned, fully licensed and insured, and we’ve seen what happens when skylights aren’t installed correctly for Long Island’s coastal weather.
East Setauket sits right in the path of nor’easters, freeze-thaw cycles, and coastal salt air. That’s not a forgiving environment for a roof opening. We’ve spent over 10 years learning exactly how to seal, flash, and waterproof skylights so they don’t fail when the temperature drops or the next storm rolls through.
You’re not getting a sales pitch from someone who’s never climbed on a Suffolk County roof. You’re working with contractors who live here, understand the weather patterns, and stand behind the work with real warranties because we’re not going anywhere.
First, we inspect your existing skylight and the surrounding roof structure. We’re looking for hidden water damage, compromised flashing, and any issues with the roof deck that need addressing before the new skylight goes in. If there’s rot or structural damage from years of leaking, you’ll know about it upfront.
Next comes removal of the old unit. We protect your interior with tarps and containment because the last thing you need is debris falling into your living space. The old skylight comes out carefully—we’re not just ripping it off and hoping for the best.
Then we prep the opening. This is where most contractors cut corners, and it’s why most skylights leak. We install multiple waterproof barriers, integrate the flashing system properly with your existing roofing material, and make sure water has nowhere to go except down and off your roof. For flat roofs, we use curb-mounted systems with sloped insulation to direct water away from the opening.
The new Velux skylight goes in with reinforced mounting and proper sealing. We’re using materials engineered for this climate—double-pane insulated glass, integrated flashing, and if you want it, solar-powered models that open for ventilation and close automatically when it rains.
Finally, we test everything. We don’t just eyeball it and call it done. We check for leaks, walk you through how your new skylight operates, clean up completely, and make sure you’re comfortable with everything before we leave.
Ready to get started?
You’re getting a complete skylight window replacement, not a patch job. That means removal of your old skylight, proper disposal, and installation of a new Velux unit with all the flashing, waterproofing, and mounting hardware needed to keep it leak-free.
The installation includes multiple layers of protection designed specifically for Suffolk County weather. We’re talking integrated flashing systems that work with your roof type, waterproof membranes that handle freeze-thaw cycles, and insulated glass that keeps your energy bills down during Long Island’s humid summers and cold winters.
For East Setauket homeowners dealing with flat roofs, we install curb-mounted systems with custom flashing and reinforced mounting. Flat roofs are notorious for skylight leaks because water doesn’t drain as easily. We build in sloped insulation and multiple waterproof layers so water moves away from the opening instead of pooling around it.
You’re also getting a warranty that actually means something. We stand behind the installation because we’ve been serving Suffolk County long enough that our reputation matters more than a quick sale. If something goes wrong, you’re calling a local contractor who answers the phone—not a national chain that’s already moved on to the next market.
And if you want energy efficiency, we install ENERGY STAR certified skylights that can cut your heating and cooling costs by up to 13%. That’s real money back in your pocket every month, and it adds up fast when you’re not losing heat through a poorly sealed skylight every winter.
Most residential skylight replacements in Suffolk County run between $800 and $2,500 per skylight, including removal, disposal, and complete installation with proper flashing and waterproofing. That’s not a vague estimate—it’s what homeowners actually pay for quality work.
The price depends on your skylight size, roof type, and whether we’re dealing with a simple replacement or fixing underlying damage from years of leaks. Flat roofs cost more because they require curb-mounted systems with additional waterproofing. Larger skylights or solar-powered models with automated opening and closing will push you toward the higher end.
Here’s what you’re actually paying for: Velux skylights engineered for Long Island weather, integrated flashing systems that don’t fail during freeze-thaw cycles, multiple waterproof barriers, and installation by licensed contractors who understand Suffolk County’s coastal climate. You’re also getting a leak-free guarantee and a warranty that’s backed by a local company that’s been here since 2002.
Cheap skylight replacements exist. They also leak. If someone quotes you $500 for a complete skylight replacement in East Setauket, they’re either cutting corners on materials, skipping proper flashing, or they’re not licensed and insured. That’s not a deal—it’s a future problem.
Improper installation is the number one cause of skylight leaks. It’s not the skylight itself that fails—it’s the flashing, waterproofing, and sealing around the unit that lets water in.
Suffolk County’s freeze-thaw cycles make this worse. Water gets into small gaps during a rainstorm, freezes overnight when temperatures drop into the low 30s, expands, and creates larger openings. By spring, you’ve got water dripping onto your floors and stains spreading across your ceiling. Most homeowners don’t realize their skylight is leaking until the damage is already done.
We prevent leaks by installing multiple waterproof barriers and integrating the flashing system properly with your existing roof. That means the flashing isn’t just slapped on top—it’s woven into your shingles or roofing membrane so water can’t get underneath. For flat roofs, we use curb-mounted systems with sloped insulation to direct water away from the skylight opening.
We also use Velux skylights with integrated flashing designed specifically for this climate. These aren’t generic units from a big box store. They’re engineered to handle coastal salt air, temperature swings, and the kind of weather Long Island throws at roofs. And we test everything before we leave because a skylight that doesn’t leak during installation can still fail if it wasn’t sealed correctly.
Most skylight replacements take one day from start to finish. We’re talking about removing your old skylight, prepping the opening, installing the new unit with proper flashing and waterproofing, testing for leaks, and cleaning up completely.
That timeline assumes we’re not dealing with major structural damage or rot from years of water infiltration. If your roof deck is compromised, we’ll need extra time to repair the framing and replace damaged wood before the new skylight goes in. You’ll know about that during the initial inspection—we’re not discovering problems halfway through the job and surprising you with delays.
Weather plays a role too. We’re not installing skylights during active rainstorms or when ice is covering your roof. That’s not us being picky—it’s basic waterproofing sense. We need dry conditions to properly seal and flash your skylight so it doesn’t leak the first time it rains.
For homeowners in East Setauket dealing with flat roofs, the installation might take slightly longer because curb-mounted systems require more prep work. We’re building up the curb, installing sloped insulation, and adding multiple waterproof layers. That’s not something you rush if you want it done right.
Repairs make sense if your skylight is relatively new, the glass isn’t damaged, and you’re just dealing with worn flashing or a failed seal. We can replace the flashing, reseal the unit, and fix minor leaks without pulling the whole skylight out.
But if your skylight is 15-20 years old, the glass is fogged or cracked, or you’re dealing with repeated leaks that keep coming back, replacement is the smarter move. Old skylights don’t have the energy efficiency of modern units, and you’re losing heat every winter through single-pane glass and poor seals.
Here’s the real difference: repairs are temporary fixes on aging equipment. Replacement gives you a new Velux skylight with modern insulated glass, integrated flashing, and energy efficiency that actually lowers your bills. You’re also getting a warranty on the entire unit instead of just the repair work.
For Suffolk County homeowners, replacement often makes more financial sense because you’re not throwing money at a skylight that’s going to fail again in two years. Modern skylights are built to handle freeze-thaw cycles, coastal weather, and temperature extremes that older units weren’t designed for. You’re investing in equipment that lasts decades, not just patching something that’s already past its lifespan.
Yes, and flat roofs require a completely different installation approach than pitched roofs. You can’t just cut a hole and drop a skylight in—water doesn’t drain naturally on flat surfaces, so you need curb-mounted systems with built-in slope.
We install the curb first, which is essentially a raised frame that lifts the skylight above the roof surface. Then we add sloped insulation around the curb to direct water away from the opening. The skylight mounts on top of the curb with multiple layers of waterproof membrane and integrated flashing that ties into your existing roof system.
This isn’t optional—it’s how you prevent leaks on flat roofs. Without proper slope and drainage, water pools around your skylight and eventually finds its way through the seals. That’s why flat roof skylights have a reputation for leaking. It’s not the skylight’s fault—it’s improper installation.
East Setauket has plenty of flat-roof homes, and we’ve installed dozens of skylight replacements on them. The installation takes longer and costs more than a pitched roof because there’s more prep work and waterproofing involved. But you’re getting a leak-free skylight that’s engineered for your roof type, not a generic installation that’s going to fail during the first heavy rain.
If you’re replacing an old single-pane skylight with a modern ENERGY STAR certified unit, yes—you’ll see lower energy bills. The savings come from insulated glass that actually keeps heat inside during winter and blocks heat gain during summer.
Old skylights are energy vampires. They let heat escape in winter, turn rooms into saunas in summer, and force your HVAC system to work overtime just to maintain comfortable temperatures. Modern double-pane skylights with low-E coatings reduce heat loss by up to 50% compared to older units.
ENERGY STAR certified skylights can cut your heating and cooling costs by around 10-15% monthly. That’s real money—enough to offset the installation cost over a few years. And in Suffolk County, where you’re running heat in winter and AC in humid summers, that efficiency matters more than in milder climates.
You’ll also get more natural light without the heat penalty. Modern skylights are designed to let light in while blocking infrared heat, so your rooms stay bright without turning into greenhouses. That means you’re running lights less during the day, which adds to your energy savings.
The biggest difference you’ll notice is comfort. Your upstairs won’t feel like an icebox in January or an oven in July. The temperature stays consistent because your skylight is actually insulating instead of acting like a hole in your roof.
Local Resources
Useful Links
Other Services we provide in East Setauket
