ply

PLY is a computer file format known as the Polygon File Format or the Stanford Triangle Format. It was principally designed to store three-dimensional data from 3D scanners. The data storage format supports a relatively simple description of a single object as a list of nominally flat polygons. A variety of properties can be stored, including color and transparency, surface normals, texture coordinates and data confidence values. The format permits one to have different properties for the front and back of a polygon.
There are two versions of the file format, one in ASCII, the other in binary.

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  1. E

    Help with No More Ply on floorboards

    Hi, I have been reading through all the info around No More Ply and your posts on the topic but am still unsure how to level the surface beforehand. Any help much appreciated. I have old floorboards they are tightly packed however there is some variance in the levels of the boards, and also...
  2. J

    Insulated cement boards over ply

    Hello all. I have a question....is it ok to screw insulated cement board (marmox type board) to a stud wall that is lined with 12mm ply? I've knocked down an old solid bathroom wall and replaced it with a stud wall. My building control guy has said that the new stud wall needs to be structural...
  3. R

    Water UFH No more ply (NMP) or Hardiebacker over wet UFH

    Hi, I am replacing a tiled floor and will need to overlay with 6mm backer board. This is on top of 15mm ply over wet UFH in dry screed. I need a backer board with the highest k-value (lowest R-value). So far from the data sheet 6mm hardiebacker has a k-value of 0.19W/mK. Does anyone know...
  4. C

    18mm WBP ply prior to tiling

    I’ve bought 18mm WBP ply for the bathroom to fix directly to the joists and got noggins every 400mm. Is this base ok to tile onto with flexible adhesive and grout? It’s having electric UFH too. The reason I went for 18mm is because it’s 18mm floorboards running to it at the door threshold. Thanks
  5. C

    No More Ply and Wedi Alternatives

    Hey all, So I'm about to start working on a wetroom project on my first floor (and am not interested in UFH). Naturally, this is currently timber floorboards - which are in good nick, however, in a previous thread, someone posted that I should remove these and place 22mm NMP down directly onto...
  6. S

    Tiling on smart ply.......

    Hi all. I am about to start and job and the Tiles are 200 x 100 ceramics. They are asking me to tile directly onto smart ply. What would be your recommend prep. I am thinking tile master prime and grip followed by white star or ultra slow set white adhesive. I am fully aware that over boarding...
  7. D

    15mm ply on bathroom floor

    I've discovered the existing bathroom floor is only 15mm ply. I believe this is thinner than regulation requires. The adjoining chip board on the landing appears to be slightly thicker. The previous owner had laid cheap tiles directly on the ply which, to their credit, hadn't cracked in 4 years...
  8. C

    Laying stone onto ply

    What’s people’s views on laying trav onto a 12mm ply? Using ditra matting. The floor hasn’t got any movement in it.
  9. S

    BAL bal rapid set flexi fibre onto ply.........

    prime or not ? the bag says no and so does the fact sheet but it just seems odd to me as up untill now ive been using topps own flexi with sbr on ply
  10. M

    12mm Ply + Cement board + Tiles on stud wall

    Do you think, from floor to ceiling, 12mm thick plywood plus 12mm thick cement board (e.g. Hardiebacker type board or similar) plus metro tiles is a tolerable weight to be attached to timber stud? Wall would be 1 metre wide by 2.3 metre high
  11. B

    No more ply and wet system UFH sat within joists - efficiency concerns...

    Apologies this is so long winded, but hopefully you're an understanding bunch & you'll stick with the novel and provide a straight opinion on this. I'm a competent DIY'er (ex-spark), but it's a while since I've done any DIY tiling at home. I'm now re-doing the kitchen floor/walls in a 1960’s...
  12. G

    No more ply - Priming

    Hi, I'm installing my bathroom. I've used No More Ply around the shower area walls and on the whole floor. The instructions say to prime it with their SBR primer to waterproof the boards. I have bought Mapei Rapid Set Flexi to tile the walls and floor. The instructions on this say I must use...
  13. J

    20mm brick slips on 12mm ply

    hi all, Looking for some advice. Tiling 20mm thick brick slips onto 12mm ply wood on the walls. It is fixed very well. I am just wondering what prep people would do and what adhesive you would use. Changing the ply for plasterboard or hardi is not a option.
  14. V

    remove old floorboards, replace with 18mm ply then tile?

    Hi, I am laying a kitchen floor and hallway soon. The problem I have is 3/4 of it is wooden floorboards then the other 1/4 is concrete,they both meet level. My question is rather than board it all out can I remove the existing floorboards and put down 18mm ply and screw to joists. This will then...
  15. J

    Hardiebacker or no more ply?

    Hi, Looking at tiling the floor of my bathroom. No UFH just plain tiling. Whats the preferred base? Fixing onto solid floorboards (no squeak or bounce). Screwed down NMP or hardiebacker, or any other product suggestions? Thank you for reading John.
  16. A

    Kitchen floor advice

    Currently in process of installing new kitchen. Plumber by trade with very little tiling experience. I have kitchen/diner with the floor makeup being concrete in kitchen and suspended timber in dining room. Overall area approx 25m2. The plan is to use either porcelain or natural stone tiles...
  17. F

    reasons to dislike no more ply!

    ive boarded about 30 sheets worth today, I'm covered in the dodgy dust, it's up my nostrils even tho I've had a mask on most of the day, my fingers are covered in glue, my back aches. My ears are ringing from using impact drill all day. Anyone else love it like I do?
  18. P

    Tiling a ply former with ceramic tiles?

    Hi, my builder has offered to create a former from ply to get over some problems we might have with moulded former. This would go onto 6x2 joists. The kind of tiles I'm looking to use would be the patterned ones that are usually glazed ceramic. If everything is properly supported, would there be...
  19. J

    Prepping Floor boards / No More ply

    Hi, I've got a kitchen to do next week & am laying 330 x 330 ceramic onto a mixed concrete & wood floor (used to be a chimney breast where the concrete is). Just a quick question about Cement particle / Marmox / No more ply as I've never laid it before. Will 6mm do and then screw into...
  20. T

    No more ply and joints

    Went to look at a tiling issue yesterday on my day off! Tiler (joiner/plumber/etc) did full refit - estimate was a guide final price almost double!! Estimate of contract was 4weeks actual was 12!! Anyway in February this tiling issue contacted me to look at a tile that was cracked/faulted and I...
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