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Floor tile notched spreader

Discussion in 'Tiling' started by foresttowndiy, 20 Mar 2013.

  1. foresttowndiy

    foresttowndiy

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    A post I read says use a 20mm half moon notch, why do you need to use such a large notch trowel for laying floor tiles?

    Wall tiles go on using a 5-6mm notch so when the tile is set in position the bed will be ~ 3mm.

    A 20mm notch floor trowel will end up making addy bed over 10mm thick. Why is this thickness needed?

    There may be an obvious answer from a pro but if a 5mm notch can give full coverage then why is a 20mm notch needed?

    I'm not questioning the norm, just like to understand why the norm is so!
     
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  3. Pigeon85

    Pigeon85

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    Always used a 10mm myself using a 20mm will give a bed thicker than the tile I would imagine
     
  4. jctilingservices

    jctilingservices

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    20 mm serated trowel used on really large format tiles mate, i use them on 1200 and 1600mm porc etc
     
  5. Pigeon85

    Pigeon85

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    Sorry to but in but why does large tiles require a deeper bed, just for future reference
     
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  7. jctilingservices

    jctilingservices

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    my personal take on it is, if you use a 10mm trowel on such a large and heavy format tile, its just gonna squash the addy, use a 20 mm trowel, and ya gonna have a bed for the tiles, not just squashed up addy, also you get more coverage
     
  8. amsie

    amsie

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    JCT is right, plus using a bigger notch gives you more play with the tile especially on larger tiles.

    Sometimes you can use bigger notched trowles to get over poor floors/walls.
     
  9. Pigeon85

    Pigeon85

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    Thanks for the info guys, tiling is pretty new to me, I'm a painter really but where I work now I end up doing all sorts of things, pulled a trowel out my paint pot the other day and laid some bricks lol I like it though its like free practice
     
  10. amsie

    amsie

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    lol no worries fella. We all started by giving it a go in Tiling. My preference is 5mm square notched trowel for the walls and 10mm round for the floor. I'll sometimes use 8mm on the walls for larger format tiles if the wall is a bit out.
     
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