insulation

Will this work? (top to bottom) tiling (one room), 12mm laminate (other room) 19mm T&G chipboard self levelling compound 100mm Kingspan insulation (joints and edges sealed so self levelling does not run below insulation. concrete slab (not level)...

Hi, I have decided to install underfloor heating in my hall and kitchen the current floor is uninsulated screed, the ceilings are a bit low so took up the 50mm screed so I can install 50mm tile backer boards something I wasn't expecting is to find a bitumen layer between the screed and slab...

Hi, New to the forum. I'm going to be installing a new corner, shower unit with tiled walls, glass doors and acrylic shower pan, as part of a bathroom re-modelling project. I'm not a pro. Would appreciate expert advice on several points. The new shower will replace an old 'one piece' molded...

Hello! I'm looking on some advice on insulation! Currently I have a failed damp course in an old victorian kitchen which is about 100mm lower than the adjoining room. Digging out the floor and laying an insulated slab is not an option for several reasons which I wont go into and since I'm...

Hi everyone, Hope to get some help and advice please. I have laid down 8mm of self levelling compound on a concrete floor after priming it so it was a good level to work off (I also included an 8mm expansion joint around the perimeter) (Conservatory is 15 years old and area of 14 m2). I then...

I'm planning to install underfloor heating in adjoining kitchen and front room. approx 17m2 @ 200w each. the subfloor is caber floor well screwed down onto new joists. can i lay 6mm xps insulation screwed down, primed, underfloor heating mat then screeded with nx self leveller. im planning to...

1950s ex council house, solid concrete floors, about to have the ground floor tiled - hall, kitchen, utility and bathroom in 10mm porcelain tiles. Hopefully it's not too silly of a decision, but to keep installation and running costs down, we've decided not to install UFH in most of it (but...

Hi, whats the normal method of fixing jacko/wedi board to timber floors. Ive used these boards a fair bit before but never on floors so im unsure on what way round to do it... Do you set them with rapid set then add the fixings while the adhesives still wet or wait until its set and then add...

Hi, I bought some sheets of 6mm insulation board to install on my bathroom floor. (It has blue foam in the middle of it.) My subfloor is 21mm treated wooden floorboards. I've freshly installed them and they're nice and level and smooth. (I even planed some of the joists to make sure I'd have a...

My floor joists are good but I need to replace whole subfloor and tile kitchen floor. I am working on a budget but I want to install functional and durable solution according to British standard for both subfloor and underlayment. Ppl with experience, could you please advise what insulation to...

Hello, I’m just having some work done in my house and decided to go with underfloor heating. Seen some other comments about using underfloor insulation boards. Asked my builders who said not needed as would raise the floor too much. Just wanted to check before work starts. Floor is concrete...

Hello all, I have a very small cloakroom to do and they want electric underfloor heating. Contrete base and I have about 10mm depth I can use for insulation board below the heating. What board gives the best insulation? Many thanks

I have posted on the forum before about an awful tiling job I had done several months ago. I have found another local recognised tiler who will be redoing the work. He has recommended that I do not need the uncoupling membrane. Any thoughts on this? I am not necessarily questioning his opinion...

hi all, I need to fix my 6mm wedi over my ply subfloor ahead of installing UFH and tiles. As well as mechanically fixing the boards with screws / wedi washers do I need to use tile adhesive or can I use the wedi adhesive / sealant? I spoke to wedi who said their sealant can be used as an...

What are the advantages of 20mm boards against 10mm boards on top of concrete slab. Would the underfloor heating on top heat up any quicker or would the thicker board just prevent the heat from dispersing less

Hi - This is my first post so i should start by saying thanks for all the info i have got from this site in the past years. I have bought electric UFH mats along with 6mm insulation boards. I am looking to tile my 4m bathroom floor which has t&g wooden floor. I will screw this down but looking...

My local tile merchant recommended I put 6mm insulation backer boards over my floor rather than the concrete type as they're 100% waterproof and easy to work with. Are they strong enough to take the weight of the bath and cope with me walking about on them while I do the rest of the job?

I'm after some fixings or even just the washers to fix down my warm-up 6mm insulation boards. Can collect anywhere in Kent or se london.

Hi I am currently doing my bathroom and before tiling the floor had planned on laying 6mm warm-up insulation board directly on to my existing floor which is 22mm tongue and groove floorboards. Can anyone advise if ok to do this as there is little information to be found online.

Hi all, some advice would be helpful here. I have a job coming up with natural stone. Part of the floor is being heated with a 12m2 mat. The substrate is a 20yr old concrete screed. My question is my insulation board choice. The mat will be a 200 pro warm mat. I believe that a 6mm board would be...