Heating mats on chipboard flooring

[mhtiler]

make sure to use flexible adhesives and grout,also a qualified sparky to connect ufh

 

[BenEyles]

If this was me i would use 6mm plyboard screwed every 8inches then lay ur underfloor heating and latex it in using a good flexible latex like bostic latex with bottle, rather than something less flexible like Ultra 2 part,obviously u would have to use flexible Adhesive and grout, but to be safe i would probably use ArduFlex 7001 which is VERY flexible and good with underfloor heating and wood.

Each to their own but never got on with insulation board etc only ever use detra matting or plyboard

And test the matting before you tile it! Its an expensive mistake if it doesnt work after you've tiled

 

[doug boardley]

If this was me i would use 6mm plyboard screwed every 8inches then lay ur underfloor heating and latex it in using a good flexible latex like bostic latex with bottle, rather than something less flexible like Ultra 2 part,obviously u would have to use flexible Adhesive and grout, but to be safe i would probably use ArduFlex 7001 which is VERY flexible and good with underfloor heating and wood.

Each to their own but never got on with insulation board etc only ever use detra matting or plyboard

And test the matting before you tile it! Its an expensive mistake if it doesnt work after you've tiled

so you'd overboard with 6mm ply when British Standards 15mm ply for overboarding??

 

[BenEyles]

I wouldn't take something you've read out a BS book as gospel!

 

[DHTiling]

I wouldn't take something you've read out a BS book as gospel!

Maybe you might not but we do.. so if that is your advice Benjamin then it is wrong.. and NO adhesive manufacturer in the uk will back your method up..

 

[BenEyles]

Fair comment! I've always used 9mm ply NOT the BS 15mm and never had a problem, ever! even using Vitra Flex, Ultra RSG or dunlop flex which arent the most flexible of ahesives. I did however just see the link "tiles popping up on a (9mm) ply floor" and seems that everyone is raving about boarding it instead of ply, do these boards have the same effect as ply, i.e brasing the floor and do u screw them or lay with adhesive?

 

[faithhealer]

Fair comment! I've always used 9mm ply NOT the BS 15mm and never had a problem, ever! even using Vitra Flex, Ultra RSG or dunlop flex which arent the most flexible of ahesives. I did however just see the link "tiles popping up on a (9mm) ply floor" and seems that everyone is raving about boarding it instead of ply, do these boards have the same effect as ply, i.e brasing the floor and do u screw them or lay with adhesive?

No Ben, these cement boards do not stop deflection in the floor. Last bouncy floor I did, fastened /re newed floorboards best I could, 1/2 " ply then hardie on top. Customer moaned about the height at first but ramped the carpet and threshold bar up and you can't tell there is an inch height difference

 

[BenEyles]

Yes that makes sense, but what i mean is if you have a solid chipboard floor which is solid or minimal movement are the backer boards enough to brase the chipboard joints alone or do you still have to ply the floor first, eg if you tile directly onto the chip board obviously the tiles would lift and crack on the joint between two chipboards, but is the backerboard enough to brace it?

Never had to use backer board so i wouldnt know, always used Detra or 9mm ply!