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  1. #1
    Join Date
    Nov 2007
    Location
    Sydney
    Posts
    2

    Default Waterproofing Plywood based Flat Roof

    I'm in the process of re-waterproofing my flat roof.

    I've pulled up the failed bitumen membrane and have replaced the rotton plywood boards. I'm in the process of preparing the flat roof to be waterproofed and tiled.

    Am I better off using torch-on bitumen membranes directly onto the plywood or would placing 6mm CSR Ceramic Tile Underlay Fibre Cement and a liquid membrane be a better approach?

    Is the 6mm CSR tile underlay usuable in an open roof terrace?

    Thanks

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  3. #2
    Join Date
    Aug 2007
    Location
    Noosa Heads
    Posts
    549

    Default

    IMO a cladding of fibre cement and a liquid membrane suitable for roofs would be the way to go.

  4. #3
    Join Date
    Mar 2007
    Location
    Canberra
    Age
    72
    Posts
    394

    Default

    What he said.

  5. #4
    Join Date
    Nov 2007
    Location
    Sydney
    Posts
    2

    Default

    thanks! i spoke to csr for further details and they've said its fine to use outdoors as long as the control joints are in place.

    seems like it's the way to go! thanks!
    (if anyone has gone down this path and has some experience, please let me know!)

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