Roof Repairs in Blacktown

Start with the stain, not the roof

Almost every repair call starts the same way. A brown ring on a ceiling cornice. A patch of bubbling paint over a bedroom window. A damp smell in the hallway cupboard that never quite goes. Occasionally a tile on the lawn after a windy night, which at least tells you where to look.

Water does not travel straight down. It runs along a batten, follows a rafter, pools on the top of a ceiling joist and drips through where the plasterboard sheets meet — which can easily be three metres from where it got in. So the first job is finding the actual entry point, not the wet bit you can see.

Where water gets into Blacktown roofs

After the housing eras in this council area, the list is fairly predictable.

Ridge capping and pointing

On concrete tile roofs — the bulk of the stock from Lalor Park across to Whalan and Oakhurst — the mortar bed holding the ridge caps cracks as the house moves on reactive shale clay. Once the pointing is gone, every bit of wind-driven rain goes under the cap.

Valleys

Valley irons rust from the bottom up, because that is where leaf litter sits and holds moisture. Under big established gums, which you get all through the older streets of Seven Hills and Doonside, a valley can rot out decades before the tiles do.

Flashings and penetrations

Chimneys, parapet walls, skylights, flues, aerials and solar brackets. Anything that interrupts the roof plane is a potential leak, and poorly sealed solar mounts on tile have become one of the more common ones.

Hail-cracked and porous tiles

Hail cracks tiles and strips the surface coating. A tile with the aggregate exposed soaks up water instead of shedding it, then goes brittle and snaps when someone walks on it.

Gutters that are the real problem

Sometimes nothing is wrong with the roof at all. A blocked or back-falling gutter overflows under the roof edge and into the eaves, so the ceiling stains and the roof gets blamed. We check the gutter line before condemning tiles.

How a repair visit runs

1. Free inspection. We get on the roof and into the roof space where there is access. Hosing a suspect area and watching from inside the ceiling is often the fastest way to prove a leak path.
2. You see the photos. Not a verbal summary — images of the specific ridge, valley or flashing that failed.
3. Written, itemised quote. Each item priced, so you can decide what gets done now and what can wait.
4. The work. Tiles matched and replaced, ridges rebedded and repointed where needed, valleys replaced, flashings re-dressed, penetrations resealed, debris cleared and the gutters left clean.
5. Workmanship warranty in writing on completed work.

Call (02) 4705 5200 for a look at it.

Repair, restore or replace

An honest repair quote has to answer the next question too, because there is no sense patching a roof that has reached the end of its life.

What changes the cost of a repair

We will not pretend to price a roof we have not seen. The honest answer is that a repair quote moves on:

• Access — single-storey with a clear side yard versus a two-storey in Glenwood or Kings Langley that needs edge protection
• Pitch — low-pitch roofs are slower and riskier to walk, and more prone to backflow at the laps
• Tile availability — matching a discontinued 1970s profile takes longer than a current one
• How far it has gone — wet battens, rotted fascia or sodden insulation turn a roof repair into carpentry as well
• Scope — a single valley is a morning; every valley on a hip-and-valley roof is a different job

The quote comes after the inspection, and the inspection is free.

Across Blacktown City

We repair roofs right across the council area — tile cottages in Blacktown and Marayong, the ex-Housing Commission estate stock around Mount Druitt, Emerton and Shalvey, 1980s brick-and-tile through Oakhurst and Plumpton, and newer metal roofs out at Quakers Hill and Schofields. The full list is on the service areas page.

Before you book anyone

Three things worth doing with any roofer, including us:

• Ask for the licence. In NSW, residential building work valued over $5,000 must be done by a licensed contractor, and you can check any licence yourself through NSW Fair Trading.
• Get it in writing. Verbal scope is where disputes start.
• Ask what happens if the leak comes back. Ours is covered by a written workmanship warranty.

Got a stain spreading on a ceiling? Call (02) 4705 5200 or send us the details with a photo if you have one, and we will come and find where it is getting in.