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  1. #1
    Join Date
    Mar 2008
    Location
    Townsville, Nth Qld
    Posts
    102

    Default Waterproofing timber stairs

    My daughter in Melbourne has had new rear timber outdoor stairs added to her unit, and has an agreement with the landlord to waterproof the stairs and he will pay for the materials and some labour.

    Can anyone please advise on a good way to waterproof external stairs? The landlord is not fussy about what they use.
    regards,

    Dengy

  2. #2
    Join Date
    Dec 2005
    Location
    Canberra
    Posts
    723

    Default

    Disassemble stairs, coat with 3-4-5 coats of marine epoxy to all surfaces, reassemble, then 2-3 coats of marine polyurethane - that'll actually waterproof them.

    Otherwise, I'd suggest http://www.bondall.com/titerange/tho...ater_seal.html

  3. #3
    Join Date
    Apr 2013
    Location
    melbourne
    Posts
    0

    Default

    Yes disassembling the stairs is the only way to seal all exposed timber. particular important is the end grain, screw holes and any checkouts where water can get trapped.

  4. #4
    Join Date
    Apr 2011
    Location
    McBride BC Canada
    Posts
    0

    Default

    Correct = take the whole thing apart to do all surfaces.
    Here, the damage usually starts on the horizontal parts of the stringers under the tread pieces.

    Thompson's Waterseal is popular here for exposed wood.

    Stinky and expensive, Sikkens Cetol is the most reliable
    for exposed wood.

  5. #5
    Join Date
    Aug 2005
    Location
    Queensland
    Posts
    613

    Default

    Outdoor stairs, coated marine epoxy etc.

    Will need to ensure that any "slip factor" is taken into account should it rain or even a heavy dew.

  6. #6
    Join Date
    Apr 2011
    Location
    McBride BC Canada
    Posts
    0

    Default

    Well, we have to cope with alpine UV intensity and seasonal
    temperature swings (max) from -40C/winters to +40C/summers in the sun.
    Brutal, and understatement if you're unprepared.
    Sikkens Cetol and be done with it.

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