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Is this manhole cover made of asbestos?

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  1. #1
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    Default Is this manhole cover made of asbestos?

    Would this manhole be made of asbestos? If so would opening/closing the manhole possibly upset the edges and loosen fibres into the air?

    20221124_134650.jpg

  2. #2
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    Only one sure method to confirm, testing.

    However, dimpled sheeting, = high probability. Moving the sheet is unlikely to release fibres unless it is rubbing against another surface.
    No use thinking of the past, replace it and there is no risk.

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    Agree - highly probable.

    If you are going to keep using it, then paint it with several coats of paint - especially the edges. But I would replace it (dispose of the asbestos sheeting properly too).

    Asbestos cement sheeting is mostly cement, so don’t worry too much about past exposure…

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    Yeah I'm worried about the edges cause they rub against other surfaces when I open/close the man hole. Yeah I'll probably look to replace it as soon as I can.

    What can I replace it with? Should I just measure the dimensions and then maybe go bunnings or somewhere to get a replacement?

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    Quote Originally Posted by n00b View Post
    What can I replace it with? Should I just measure the dimensions and then maybe go bunnings or somewhere to get a replacement?
    Plasterboard, or if you use it a lot and want something that can get knocked around a bit MDF sheet.

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    Can be replaced with anything you like that can be cut to size and will hold its shape.

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    Thanks. The MDF sheet option sounds most suitable. Is there somewhere where they'd be able to cut it to size for me? I don't have any saws at home >_<

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    Quote Originally Posted by n00b View Post
    Thanks. The MDF sheet option sounds most suitable. Is there somewhere where they'd be able to cut it to size for me? I don't have any saws at home >_<
    Hand saws are not that expensive, it’s a manhole cover not a piece of fine furniture.
    I could suggest somewhere local that would cut to size but probably not much help to you.

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    You could look at Melamine, either way a local cabinetmaker can cut it. Bunnings should be able to cut to size as well. A cheap hand saw will do it for MDF as well

    That sheet is asbestos, definitely get rid of it, legally of course. I recently replaced one in a house with no other asbestos. The shed in the back yard has a super 6 asbestos roof and asbestos cladding.

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    Any of the larger Bunnings will cut to size - and usually donít charge for the cutting if itís just a cut or two.

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    I ended up just buying a hand saw and cutting it myself. Before that I drove to 4 bunnings shops and they all said no for various reasons, one of which was the board was too small to be cut.

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    Be careful what you use.

    MDF/chipboard etc not good if you have a tile roof with no sarking due to moisture

    also applies if the cover is in a bathroom.

    Good coat of sealer with 2 coats of ceiling paint may protect it but no guarantees.

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    Quote Originally Posted by cyclic View Post
    Be careful what you use.

    MDF/chipboard etc not good if you have a tile roof with no sarking due to moisture

    also applies if the cover is in a bathroom.

    Good coat of sealer with 2 coats of ceiling paint may protect it but no guarantees.

    I ended up using MDF and was thinking the same thing when I got home. It wasn't expensive so I'll replace it in the future when I need to.

    What material would you recommend?

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    My go to was usually a bit of left over 6mm villa board from bathroom walls

    Usually with some 70x35 glued to it for a bit of strength/weight

    Anything light can get sucked up during heavy winds.

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    Cheers thanks

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