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  1. D

    Thinnest insulation under DEVI

    Hi all , Got a DEVI mat from my bathroom and want to put some insulation on the screed first. Marmox appear to do a 4mm board but I was looking for something a little thinner and less rigid. I've used a product on site before that was probably no more than 2mm thick but can't remember for...
  2. J

    pecilastic over plywood and under electric heat mats

    i would be interested to hear opinions about pci pecilastic used in conjunction with electric heat mats and over plywood decking. my understanding is that pecilastic can be stuck to plywood and heat mats laid directly on to pecilastic. I am then led to understand that tiles can be bedded...
  3. S

    warm up under floor heating

    hi need some advice. the tilers have said that they have to put a self leveller over the warm up underfloor heating and then the flexi adhesive over the self leveller is this correct or not cause on the box it says flexi adhesive straight over the wire. can any of you guys help with some advice...
  4. J

    stone sweating and staining under cordec.

    I have just had a call from a stone company who have employed my company to fix a limestone floor. the stone was predried in adryong room and presealed with stainstop mn. dd
  5. S

    Tiles in small raised fireplace under a woodburner

    Hello, I have made a raised platform in the fireplace to place on top a small woodburner (only 4-5kw) I made a mistake (which i found out by reading through this forum) by using MDF on the flat faces, so i will now remake it using 18mm plywood. I wish to tile the platform but was wondering...
  6. C

    6mm insulation boards on concrete under slate floor

    Hi just hoping someone far more knowledgeable will have the answer. I've got a concrete floor which is a bit crumbly in places. I plan to stick down 6mm polystyrene insulation boards then underfloor heating and slate tiles. Is this sensible or will I ruin the tiles?
  7. K

    Injecting resin under lifting/moving floor tiles?

    Hi guys newbie here this may seem like a strange question but you guys will no if it's possible or not? I have a customer who's floor tiles a starting to come loose under foot the grout is coming away the tiler who Did the job has'moved away' and will not honour the job. The customer states...
  8. P

    Under floor heating on suspended wood floor

    Hi folks I've got a suspended wood floor in my kitchen that currently has tiles on 6mm ply on top of the floor boards. I'm pulling the tiles up cos they're old and lots are broken and want to put electric under floor heating down then slate tiles. I've been reading and know the ideal would be...
  9. D

    Under floor tile/linolium heating in wetroom

    Hi. Novice here. Need to know what needs to be water-sealed as it's an old house. I went to a DIY store today to get some idea of what the work involves/costs. Need to repair dampness caused by leaking underfloor pipe in cellar- damaged area includes base of wetroom wall(other side from...
  10. C

    Laying insulation matting under tiles

    I have been asked to lay a rolled insulation matting under tiles in a bathroom with a ply sub floor. The customer has supplied this and I have not used it before. Does anyone know the best way to lay the matting. I was just going to use the same rapid set flexible adhesive that I have for the...
  11. L

    Homes under the Hammer

    Just watching a programe homes under the hammer whilst laid up with a bad back ,, and this older guy bought a flat and done it up to resell , they were showing you round and he sai his son had done all this wonderfull tiling ,, the camera zoomed in a bit , to show :this wonderfull tiling : Gee...
  12. H

    Hairline cracks on floor tiles over under floor heating

    Hi, Not sure if this is in the right section, but here goes. I had to visit a customers house yesterday, 50 x 50cm porc floor tiles supplied by us, fitted by tiler (not connected to us). Tiles fitted in May 2011, problem became apparent after a few months. Tiles on floor in what was understairs...
  13. O

    UFH under a shower floor

    I can't find anything definite about this subject, can anyone help please? we are having a 1.4m x 1.4m walk in shower in our bathroom. tiled walls 2 sides, clear glass one side, open the remaining side. the floor is going to be level to the rest of the bathroom and the waste exits through a...
  14. T

    Mapei Advise caulk or ptfe under their Silicon?

    Hi Folks, Following a near disaster (using dispersant addy over Mapegum) I was not looking to repeat any mistakes so emailed and spoke with Mapei technical. Situation is two walls joining at 90 degrees, one over suspended floor, other masonry, hence need to use flexible joint, not just grout...
  15. O

    6mm ply under tray former to make my levels correct?

    Hi, Over the main bathroom floor im using 18mm WBP over joists with added noggins. On top of that will be 10mm Marmox board on a 2mm addy bed. Total 30mm. The shower tray is a AKW tuff form tray (22mm). I wasnt going to put UFH over this tray just over the rest of the floor but looking at the...
  16. B

    How To Replace a Tile Under Water?

    Hi members. Wanted to ask if any body has experience in underwater tiling? If so what are good products to use and any tips on techniques. Talk to you soon. Bill
  17. P

    Tank under or above ufh????

    I am doing a wetroom, and the customer has supplied me with PCI Lastogum for the floor tanking. The question is do I put the ufh and slc down, before I use the Lastogum or after. Any advice is appreciated.
  18. R

    CE Marking of wall and floor tiles to be mandatory under Construction Products Regula

    In July 2013 CE Marking of all construction products, including wall and floor tiles, will become mandatory under the requirements of the Construction Products Regulation. CE Marking will have an effect on all sectors of the tile industry and it is important to understand the obligations of...
  19. A

    thin thermal insulation under stone tiles

    I've got an uninsulated concrete floor in my kitchen which I want to have Travertine tiles laid over, the tiles will continue into an extension which has an insulated slab with the same FFL I'm wondering if there is an ultra thin insulating material that can be put between the uninsulated...
  20. M

    adhesive under hardi backer on chip board

    hi all ive always thought its better to glue and screw hardi backer boards down when over laying chip board, but it seems hardi recommend only screwing, why is this , does cement based adhesive react with the chip board ? or is there another reason im unaware of thanks

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