plywood

  1. B

    Plywood Expansion Gap

    Hi all, new member here. Some quick questions re 18mm plywood subfloor which will have 6mm insulation boards (marmox) fixed on top. What should the expansion gap be where 2 sheets of ply meet if one is needed at all and at outside edges where the ply meets the wall? If a gap is needed what...
  2. R

    Porcelain floor tiles on plywood

    Hi, I'm looking to get commercial premises tiled with porcelain. The building is currently a shell with new flooring to go in. I have been advised to go with 22mm chipboard with 15mm plywood on top. In terms of primer and adhesive I have been advised that the plywood should be primed on the...
  3. T

    wbp plywood

    I'm tiling onto wbp ply with cement based adhesive, do I need to prime it first? and if yes could I get away with an sbr primer or should I be using a grit primer?
  4. Z

    Plywood Or Cement Board

    Hi I have a 200 sq m space to tile , on an existing mezzanine floor. there is slight movement in places not much though. I am wondering what the experts here would recommend to use prior to tiling plywood or cement board [no more ply ] any input / advice would be appreciated.
  5. A

    Floorboards and plywood

    Hi all hoping to get some advice. We want to lay quite abit of tiling downstairs on what is currently floorboards. The builder has put down 18mm plywood on the existing floorboards and is planning to put down a mesh with a layer of flexible adhesive. Then the tiles will be laid with another...
  6. B

    Which Plywood substrate?

    Afternoon all, In the process of bathroom refit I have had to remove all of the old chipboard floor covering. I am now ready to put down a replacement before laying Ditra Heat and then tiling. What is the opinion regarding ply thickness? Would you suggest 18mm plus a 6mm backerboard or a...
  7. T

    Adhesive for ceramic tiles on plywood tabletop

    Hi All, I have a small 80cm x80cm homemade table (indoor) with a plywood top which I want to tile with some small ceramic tiles 15cmx20cm. This is the first time I've attempted tiling, so need some advice on the best adhesive and grout to use? I was planning on getting some readymix stuff...
  8. S

    Plywood Walls

    I have a situation with plywood walls. These have been tiled with 100 x 300 ceramic tiles, using BAL Greenstar. It has been grouted and finished for at least 4 months. The tiles are now coming off wall completely, full adhesive on back of tiles, none remaining on wall. Please bear in mind this...
  9. W

    What adhesive for Ditra on to plywood?

    Hi folks, I am laying 3m2 of 300mm x 500mm ceramic tiles on to a timber floor that I have overlaid with plywood. I have bought some Ditra matting and would just like to know which adhesive i should use to lay the Ditra? Is it ok to use rapid set flexible floor tile adhesive? Thanks,Will.
  10. B

    Concrete floor with plywood around radiator pipes (mixed substrate)

    Hi Apologies for what i'm sure is a pretty obvious question: I'm about to do my second ever tiling job - the kitchen of our new-ish build flat (built 2002). On taking up the old vinyl tiles I found that the floor around the radiator pipes is plywood - level with the concrete. Each piece of...
  11. J

    Tiling porcelain tiles over plywood with Hardiebacker and Fastflex

    First solo job this week...:smilewinkgrin: It's a small kitchen extension (6m2) that the customer wants tiling in 450x450 unglazed porcelain tiles (8mm thick). The subfloor is plywood over wooden joists (1 3/4 x 5 3/4). The current floor over that is chipboard then some green fibre underlay and...
  12. S

    Is this marine plywood?

    Hi Can anyone please tell me going by the picture below, if the information stamped on the plywood, indicates if this is marine plywood that I have brought? Thank you
  13. C

    Marmox to plywood floor

    Probably been covered but want to fix 6mm marmox boards to plywood floor and I believe both adhesive and marmox screws and washers but was wondering if the adhesive should be a solid bed or combed and can I just use a slim bed? also will be fixing UFH to the marmox once fitted and therefore...
  14. Chalker

    Builders and plywood

    The other thread reminded me that last week I had some success "educating" a builder I do work for. all he has ever done in showers is ply the walls and tile! Up to now e has had no problems. I fitting the heating,bathrooms and tiling in 8 new 2 bed flats. All have 1700 x 800mm walk in showers...
  15. D

    plywood walls

    been working on a large floor for a client recently.once i am finnished to floor he is wanting me to start the bathroom, however the walls are plywood, i asked him to remove the ply or overboard. however it turns out this will not be possible due to bath and shower tray installed and pipe work...
  16. G

    Plywood floored shower room on 3rd floor/loft room

    Got a job to see tonight, fire earth ceramics onto plywood about 2m sq apparently, lady tells me small job, quality ply blah blah. It's not local but the guy who put me forward told she's good for referrals and more work with her contacts. Said I'd view first and see if suitable but what would...
  17. J

    The perils of tiling onto plywood

    Viewed a job this morning, , grout is cracking, customer wanted to know if grout could be scraped out and replaced, he thought it would be a small cheap job, on further investigation we found out so called tiler had tiled directly to plywood in shower area and onto floor with UFH (underfloor...
  18. B

    Porcelain tiles not sticking to plywood?

    Hi I'm looking for some advice from the experts, as a DIY tiler who's done a few jobs. I've just laid 600x600mm polished porcelain tiles in my hallway. Floor is T&G chipboard and I've over boarded with 15mm exterior plywood, screw-fixed at 300mm centres and fixed tiles using BAL single part...
  19. S

    Ceramic floor tiles and plywood problem

    Hi I had ceramic floor tiles fitted 4 years ago by a bathroom installer in the main bathroom. The ceramic floor tiles are on 6mm plywood, fitted over the original chipboard flooring. I want to fit new ceramic floor tiles now. If I remove the tiles and adhesive, can I lay 15mm plywood...
  20. P

    Cracked Bathroom Tiles on Plywood

    Hi, I hoping someone here can help as you seem to know what you're doing more than my builder! We had a new bathroom installed a couple of months ago. The builder replaced one of the internal walls with a plywood wall. Now there is a crack running horizontally right down the length of the wall...

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