How to repair a leaking corrugated roof

Written by keith dooley
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How to repair a leaking corrugated roof
Patch corrugated roofing by attaching a new piece over it. (Jupiterimages/ Images)

Corrugated roofing typically is made of a metal that is shaped so that it runs in waves. The roof has low and high places that run up and down all the way across the roof. This wave formation in the material helps insulate the building and keep it cooler; however once it develops leaks, repairing the roof requires some work.

Things you need

  • Wire brush
  • Rag
  • Rubbing alcohol
  • Paintbrush
  • Rust stopper
  • Drill
  • Corrugated roofing
  • Galvanised screws
  • Silicone caulk
  • Roof coating
  • Items for method in Tips:
  • Metal snips
  • Roofing tape

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  1. 1

    Scrub rust areas with a wire brush to remove flaking. Dust away particles created by the brush.

  2. 2

    Wipe down the entire area around the leak with rubbing alcohol to remove dirt and grime.

  3. 3

    Paint on a rust stopper so that the rust is neutralised from further destruction.

  4. 4

    Screw a new piece of corrugated roofing over the old piece. Make it the same length as the old piece so that you can attach it to the structure. Use galvanised screws and line up the corrugated pattern so that it fits tightly.

  5. 5

    Caulk around the edges and the screws of the piece so water doesn't get underneath.

  6. 6

    Paint over the seams of the new piece of metal with roof coating to add an extra layer of protection.

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