Pocster Posted April 15, 2021 Share Posted April 15, 2021 Been using the schluter ditra25 . Going to need plenty more ! It’s real expensive! . Anyone else used a cheaper product that performs just the same ?. I guess I need maybe 150m on 1m rolls ? Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 https://www.tilingsuppliesdirect.co.uk/product/kerakoll-biotex-anti-crack-matting?attribute_option=1m²+Unit&gclid=Cj0KCQjwyN-DBhCDARIsAFOELTkE7vgjB8kv-f4fUS5rhnDxvvdV9QZqLh1zxqo92uPxhSj8ll_dyqoaAlrfEALw_wcB#.YHg-NyV4XDs £150 for 50m ... Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 Ok - apparently can use with ufh but https://www.tilingsuppliesdirect.co.uk/product/tilemaster-anti-fracture-matting#.YHg_oCV4XDs 20m at 123+ the dreaded ! So £5.5 a sq metre ! Link to comment Share on other sites More sharing options...
ToughButterCup Posted April 15, 2021 Share Posted April 15, 2021 Yep, thats what it costs. GetcherWalletOutYouTightWalkOnGlazingExpert. 1 Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 1 hour ago, ToughButterCup said: Yep, thats what it costs. GetcherWalletOutYouTightWalkOnGlazingExpert. Bugs me . Decoupling mat , glue , tile adhesive , grout - cost more than the (expletive deleted)ing tiles !! Link to comment Share on other sites More sharing options...
ProDave Posted April 15, 2021 Share Posted April 15, 2021 23 minutes ago, pocster said: Bugs me . Decoupling mat , glue , tile adhesive , grout - cost more than the (expletive deleted)ing tiles !! Is this bathrooms / wet rooms? (if so 150 square metres????) If it is NOT bathrooms then the need for a decoupling mat shows you have the wrong floor material. Change the floor material to e.g. plywood. 1 Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 10 minutes ago, ProDave said: Is this bathrooms / wet rooms? (if so 150 square metres????) If it is NOT bathrooms then the need for a decoupling mat shows you have the wrong floor material. Change the floor material to e.g. plywood. No ; just tiling on screed - not wet rooms / bathrooms . Still need to ‘ de couple ‘ .. Link to comment Share on other sites More sharing options...
PeterW Posted April 15, 2021 Share Posted April 15, 2021 Why ...?? Where are you going to get significant differential expansion to justify it ..? Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 (edited) 6 minutes ago, PeterW said: Why ...?? Where are you going to get significant differential expansion to justify it ..? The screed has cracked across doorways for example . Screed was laid months ago ; cracks happened many months after that . I assumed de coupling mat should really be used in all situations. Better to be safe than sorry ? Edited April 15, 2021 by pocster Link to comment Share on other sites More sharing options...
PeterW Posted April 15, 2021 Share Posted April 15, 2021 @nod - what are your thoughts ..? You should expect cracking at doorways anyway so surprised that’s not already happened when the UFH is switched on. Link to comment Share on other sites More sharing options...
nod Posted April 15, 2021 Share Posted April 15, 2021 Yes always at the doorways It’s worth putting a a screed expansion in each doorway Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 17 minutes ago, nod said: Yes always at the doorways It’s worth putting a a screed expansion in each doorway I was going to de couple the entire floor and put expansion strips in ( or near ) to doorways . I thought this was the bolts n braces approach . Link to comment Share on other sites More sharing options...
Pete Posted April 15, 2021 Share Posted April 15, 2021 12 minutes ago, pocster said: I was going to de couple the entire floor and put expansion strips in ( or near ) to doorways . I thought this was the bolts n braces approach . I used the mat to cover my entire concrete slab just in case, just peace of mind really 1 Link to comment Share on other sites More sharing options...
Pocster Posted April 15, 2021 Author Share Posted April 15, 2021 4 minutes ago, Pete said: I used the mat to cover my entire concrete slab just in case, just peace of mind really My thoughts Link to comment Share on other sites More sharing options...
Nickfromwales Posted April 16, 2021 Share Posted April 16, 2021 150m split over different rooms? Link to comment Share on other sites More sharing options...
nod Posted April 16, 2021 Share Posted April 16, 2021 9 hours ago, pocster said: I was going to de couple the entire floor and put expansion strips in ( or near ) to doorways . I thought this was the bolts n braces approach . You don’t need anything to fancy A clear 10 mil gap around the perimeter is a must 1 Link to comment Share on other sites More sharing options...
Pocster Posted April 16, 2021 Author Share Posted April 16, 2021 3 hours ago, Nickfromwales said: 150m split over different rooms? Yes Link to comment Share on other sites More sharing options...
Pocster Posted April 16, 2021 Author Share Posted April 16, 2021 17 minutes ago, nod said: You don’t need anything to fancy A clear 10 mil gap around the perimeter is a must Sure . But what if my tile grout line ( the expansion strip ) doesn’t line up in the doorway ? . Just ignore it ? . Or just put the expansion strip as near as possible to the doorway ? Link to comment Share on other sites More sharing options...
Pete Posted April 16, 2021 Share Posted April 16, 2021 (edited) 51 minutes ago, pocster said: Sure . But what if my tile grout line ( the expansion strip ) doesn’t line up in the doorway ? . Just ignore it ? . Or just put the expansion strip as near as possible to the doorway ? I do not have expansion strips of any kind in my doorways. I have laid 1.2m x 1.2m tiles throughout my ground floor onto decoupling membrane on a concrete slab and have had no problems and imo looks better than putting thin strips in which would have spoilt the look of my large tiles Edited April 16, 2021 by Pete Add photo 1 Link to comment Share on other sites More sharing options...
Pocster Posted April 16, 2021 Author Share Posted April 16, 2021 1 hour ago, Pete said: I do not have expansion strips of any kind in my doorways. I have laid 1.2m x 1.2m tiles throughout my ground floor onto decoupling membrane on a concrete slab and have had no problems and imo looks better than putting thin strips in which would have spoilt the look of my large tiles I’m tempted to only put an expansion strip in a doorway only when there’s a change of tile flooring . So it’s a natural break and you won’t even notice it as the tiles have changed . Link to comment Share on other sites More sharing options...
Pete Posted April 16, 2021 Share Posted April 16, 2021 30 minutes ago, pocster said: I’m tempted to only put an expansion strip in a doorway only when there’s a change of tile flooring . So it’s a natural break and you won’t even notice it as the tiles have changed . Would be ok but I did not even do that in the two bathrooms as I had used the mat throughout 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted April 16, 2021 Share Posted April 16, 2021 If its running relatively low flow temp, and its tiles, they should heat up and cool down at pretty much the same rate, so the only thing I would be doing here is leaving a 6mm-8mm gap all around the perimeters and making sure they are NOT grouted. Pump them full of a dirt cheap silicone to prevent inadvertently filling them up while grouting the main areas. Priming and making sure the screed is free from dust / other contamination will be crucial. If your bum-hole is wobbling, put a mat down. 1 Link to comment Share on other sites More sharing options...
Pete Posted April 16, 2021 Share Posted April 16, 2021 16 minutes ago, Nickfromwales said: If its running relatively low flow temp, and its tiles, they should heat up and cool down at pretty much the same rate, so the only thing I would be doing here is leaving a 6mm-8mm gap all around the perimeters and making sure they are NOT grouted. Pump them full of a dirt cheap silicone to prevent inadvertently filling them up while grouting the main areas. Priming and making sure the screed is free from dust / other contamination will be crucial. If your bum-hole is wobbling, put a mat down. Left the gap as you suggest which was covered by the skirting. Did not bother with silicone to save money!! (Tight us northerners!) 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted April 16, 2021 Share Posted April 16, 2021 6 minutes ago, Pete said: Tight us northerners Apparently so if you managed to not waste any in that gap Link to comment Share on other sites More sharing options...
Pocster Posted April 16, 2021 Author Share Posted April 16, 2021 1 hour ago, Nickfromwales said: If your bum-hole is wobbling, put a mat down. Is that so I don’t make a mess ? ?? Link to comment Share on other sites More sharing options...
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