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Laying parquet blocks on a tiled floor

Discussion in 'Floors, Stairs and Lofts' started by rkidday, 8 Oct 2021.

  1. rkidday

    rkidday

    Joined:
    13 Feb 2014
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    Location:
    Bristol
    Country:
    United Kingdom
    Evening all,

    I am looking to lay a reclaimed maple wood block (230x65mm) floor (herringbone pattern) on a concrete floor covered in ceramic tiles. Unfortunately it has not been possible to lift the tiles and so I'm looking for advice on best preparation/products. The floor is on the first floor of a block of flats and so I wasn't expecting to use a DPM as moisture levels are likely to be very low - correct assumption?? see attached photos of the floor.

    I've previously used Bostik Laybond Hardwood successfully to lay the same block on a chipboard floor and was looking to use the same adhesive (albeit I think it has been rebranded). Bostick has provided the following advice:
    'Looking at the details of the floor that you have, it would be recommended to first apply a floor levelling compound, however, we do not have one that can be applied to glazed tiles, ( although we assume that these will be glazed ceramic tiles ), but we do have one that can be applied to unglazed ceramic tiles which is called Bostik Cempolay ( and can be applied from 0 to 5 mm in depth ). For preparation, the glaze on the tiles will need removing, and then having got them clean, dry and dust free, they will require priming with the Bostik Cempolay Universal Primer diluted with water ( 2 parts water to 1 part primer by volume, ) and then allowed to dry before applying the Cempolay floor levelling compound. Once the levelling compound has cured and dried, the Wood Adhesive H180 Classic P can be applied ( no primer required first ) before bonding the wood blocks to this.'

    My main queries are:
    1) given my floor (see pictures) do is levelling required or is there just a primer I can apply - I'm assuming levelling is required at the moment.
    2) is there a levelling compound and primer available compatible with both glazed tiles and wood block flooring
    3) if not, what is the best/most accessible method for removal of the glaze - grinding disc something like Toolstation's 'semi-flexible-disc/p57283'
    4) Recommendations for repair mortar and any pre/post primer for areas I need to repair deeper than can be filled with the levelling compound (small areas where the concrete screed does not cover)

    Any other tried and tested systems /product suggestions are welcome.
    Cheers.
     
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  3. JobAndKnock

    JobAndKnock

    Joined:
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    Location:
    Lancashire
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    Angle grinder with a stone disc (you may need a few) not a sanding disc, dust mask and goggles, and water (plant) sprayer to suppress the dust. Run the grinder through an RCD plug as water and electricity don't mix!
     
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