How to fix a leaky roof

How to fix a leaky roof

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  • Paintable immediately with water-based paint. For oil-based paints undercoat first with a water-based paint.

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Quick and effective repair for a leaky roof

If you’ve spotted a water stain creeping across your ceiling, then it’s safe to assume you’ve got a leaky roof.

Okay, so it’s not as bad as putting out buckets when it starts bucketing down, but even a small leak can quickly lead to bigger problems like mould, rotting insulation and damaged ceilings. The good news is that fixing the leak is easy with Selleys All Clear, it’s finding where the leak is coming from that’s the hard part.

First of all, inspect areas on the roof that are higher than where the leak has entered the ceiling. Run a hose on different sections, gutters or skylights and have someone inside call out when the leaking starts. Also look out for broken shingles and exposed roofing.

Once you’ve located the source, you can effectively deal with the leak by providing a watertight barrier. Selleys All Clear seals and secures surfaces even when they’re wet, dirty or oily. The non-corrosive sealant provides a long-lasting water barrier that is mould and mildew-resistant by forming a clear flexible film on top of the surface that won’t crack or dry out. It bonds to most materials including metal, timber, glass, brick, stone and many plastics. And it doesn’t matter how old or weathered your home is. Plus it’s quick and easy to apply, and unlike other sealants that dry a milky colour, Selleys All Clear really dries clear with a finish that’s easy to paint over.


  1. Wipe the surface clean of loose particles.
  2. Cut the tip off the cartridge and cut the nozzle at a 45-degree angle to get the right bead thickness.
  3. Place the cartridge in the caulking gun and fit the nozzle.
  4. Remember to use in a well-ventilated area and keep the sealant off your skin and eyes.
  5. Hold the gun at a 45-degree angle and press Selleys All Clear into the gap, hole or joint.
  6. Smooth the surface with a spatula dipped in turps.
  7. You can paint over with a water-based paint immediately. For oil-based paints use a water-based undercoat first.
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