A leaking skylight is one of the most disruptive roof problems a Sydney homeowner can face. Water coming through a skylight reaches the ceiling, the walls, and the floor directly — there's no sarking or roof cavity to slow it down. And because skylights are a penetration through the roof surface, they require specific knowledge of flashing systems, waterproofing details, and the structural interface between the skylight frame and the surrounding roof to repair properly.
The most common mistake made with leaking skylight repairs is treating what's visible rather than finding the actual cause. A roofer who applies sealant to the visible joint between the skylight frame and the roof surface is not necessarily fixing the problem — water may be entering at the flashing, at the upstand, through a cracked dome or glazing panel, or through condensation that's being misdiagnosed as an active leak. Each of these requires a different repair approach, and getting the diagnosis wrong means the problem comes back.
Sterling Roof Solutions carries out skylight leak diagnosis, repairs, resealing, and full skylight replacements across Sydney. Every inspection involves a methodical assessment of all the potential causes — the flashing condition, the sealant joints, the dome or glazing integrity, the upstand detail, and the surrounding roof — before any repair is recommended. We fix skylight problems properly, not temporarily.
If your skylight is leaking, cracked, or showing signs of deterioration — call us for a free inspection and written quote.
Skylights are often located in sections of the roof that are difficult to access safely — steep pitches, high ridgelines, or roof sections over single-storey extensions where getting close enough to inspect the flashing and dome properly requires care. At Sterling Roof Solutions, we use drone technology to inspect skylights and the surrounding roof area from every angle — capturing high-resolution footage of the flashing condition, the dome surface, the sealant joints, and the surrounding tiles or metal sheeting.
The footage lets you see exactly what we see. If the flashing has pulled away from the tile edge, you can see it. If the dome is showing crazing that will become a crack, you can see it. If leaf debris has accumulated in the skylight tray and is holding moisture against the seal, you can see it. No guesswork, no vague descriptions of what might be causing the problem.
Drone inspections are available as part of any skylight quote or as a standalone inspection service.
Sterling Roof Solutions repairs and replaces skylights across Sydney's North Shore and surrounding areas. We regularly work in Chatswood, Lane Cove, Willoughby, Artarmon, Mosman, Neutral Bay, Lindfield, Gordon, St Ives, Hornsby, Ryde, Meadowbank, Epping, Eastwood, Manly, Dee Why, Narrabeen, Mona Vale, and across Greater Sydney.
Sydney's North Shore has a large proportion of homes built in the 1970s, 80s, and 90s — many with original fixed dome skylights that are now 30 to 40 years old and at or approaching the end of their serviceable life. If your skylight is showing signs of deterioration, it's worth getting an honest assessment before the water damage becomes significant.
Not sure if we cover your area? Call us on 02 8875 7788 and we'll confirm.
Condensation appears as moisture on the inside surface of the glazing or around the frame reveal — typically during or after cold nights, or during periods of high internal humidity. It forms on the inside surface and runs down, creating damp patches on the surrounding plasterboard. An active leak, by contrast, tends to occur during or shortly after rain and enters from the outside through a failed flashing or dome crack. The distinction matters because the fix for condensation is different from the fix for a waterproofing failure. We assess both during a free inspection.
This depends on the condition of the dome, the frame, and the flashing system. A skylight where the dome is yellowed but intact, the frame is structurally sound, and the leak is caused by a failed sealant joint or deteriorated flashing can usually be repaired cost-effectively and will give many more years of service. A skylight where the dome is cracked, the frame is corroded, and the flashing system is at end of life is often more economical to replace in full — the total cost of individual repairs often approaches or exceeds the cost of a new unit. We'll give you an honest assessment of which applies to your skylight.
Yes. We repair and reseal Velux and Fakro roof windows across Sydney. Leaks on these units are most commonly caused by deteriorated flashing kits or incorrect original installation. We use brand-specific flashing kits where available or fabricate custom profiles where required.
Most skylight repairs — resealing, flashing repairs, dome replacement — are completed within a day. Full skylight replacements typically take one day for a standard unit on a straightforward roof. Access and weather are the main variables that can affect timing.
This is a common pattern with flashing failures — the flashing is holding water out during light rain but is overwhelmed during heavy rain or wind-driven rain events when water is pushed up under the flashing lap. It can also indicate a sealant joint that has partially failed — it holds against low water pressure but fails under the hydrostatic pressure of heavy rain. Either way, it needs to be properly diagnosed and repaired before a big storm makes it significantly worse.
Yes. Flat roof skylights — typically curb-mounted units or flush glazing systems — have their own specific waterproofing requirements and failure modes. We repair and replace flat roof skylights across Sydney, including resealing the perimeter flashing at the curb, replacing deteriorated membrane upstands, and replacing complete units where required.
From a leaking roof that appeared overnight to a full replacement that's been on your radar for years — if it's on your roof, we handle it. Tiled roofs, Colorbond, flat roofs, guttering, chimneys, skylights — Gerard has seen it all and fixed it all in 15 years on the tools. Contact your local Sydney Roofers.
If your skylight is leaking, showing signs of deterioration, or you simply want an honest assessment of its condition before it becomes a problem — call Gerard for a free inspection.
We'll assess the dome, the flashings, the sealant joints, and the surrounding roof, and give you a clear, written quote for any work required.
Call 02 8875 7788 or 0451 528 527, or fill in the form below and we'll be in touch promptly.
Sterling Roof Solutions are roofing contractors based in Macquarie Park, Sydney. We provide new roofs, roof repairs, flat roofs, guttering, fascias & soffits, chimney rebuilds, roof cleaning, and roof sealing & painting across Sydney.
Areas We Serve: Chatswood, Lane Cove, Willoughby, Artarmon, Mosman, Neutral Bay, Lindfield, Gordon, St Ives, Hornsby, Ryde, Meadowbank, Epping, Eastwood, West Ryde, Manly, Dee Why, Narrabeen, Mona Vale & surrounding Sydney suburbs.
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