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  1. #16
    Join Date
    Dec 2004
    Location
    Brisbane
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    Default

    Hi robyn, just read your thread, and will send you a PM.

  2. #17
    Join Date
    Sep 2007
    Location
    Melbourne
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    0

    Default ...don't pre-drill? Why not?

    Quote Originally Posted by robyn2839 View Post
    ps dont pre-drill the sheets for god sake you will regret it.bob
    I am contemplating predrilling my corrugated zincalume roofing for my shed (I have already marked them up). I note that most people on this post say don't do it. The roof measures only 900 x 1500 mm (see My First Shed for pictures) and I cannot see why predrilling would be an issue - I have measured the rafters and the battens and the measurements are consistent. I am assuming it is only an issue on a large roof where it may not be totally square? Can someone please enlighten me?

    Some other questions...
    What is better to use - roofing screws or nails?
    What corrugation spacing for the fixings - every third or fourth corrugation?

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