ianR1 Posted September 2, 2021 Share Posted September 2, 2021 I am having my sand and cement screed done in two weeks so just now finishing off getting everything ready. I read a lot on here about fitting expansion joints in doorways but i can't seem to find the product everyone is using, could someone please point me in the right direction on what i need to buy so I can get it ticked off my list ! Link to comment Share on other sites More sharing options...
markc Posted September 2, 2021 Share Posted September 2, 2021 Not an expansion joint, doorways are crack points. the screed will shrink and crack, while wet cut a slit at least half the depth of the screed across the door threshold. This causes the crack to form where you want it. Link to comment Share on other sites More sharing options...
nod Posted September 2, 2021 Share Posted September 2, 2021 This Has been asked before I normally buy a 10 mil 2400x1200 sheet of fluted plastic Same as the 5 mil stuff used for floor protection Rip it into 100 mill strips Put on in each doorway or opening Cut it off with a Stanley knife the following day Link to comment Share on other sites More sharing options...
ianR1 Posted September 2, 2021 Author Share Posted September 2, 2021 Super job, thanks for the replies. Link to comment Share on other sites More sharing options...
ianR1 Posted September 2, 2021 Author Share Posted September 2, 2021 3 hours ago, nod said: This Has been asked before I normally buy a 10 mil 2400x1200 sheet of fluted plastic Same as the 5 mil stuff used for floor protection Rip it into 100 mill strips Put on in each doorway or opening Cut it off with a Stanley knife the following day Would this just be pushed down to sit on top of the heating pipes or would i better to slot it to sit over them ? Link to comment Share on other sites More sharing options...
dpmiller Posted September 2, 2021 Share Posted September 2, 2021 Our screed installers had a fancy foam strip with a self-adhesive foot, easy to notch over pipes etc. Link to comment Share on other sites More sharing options...
nod Posted September 2, 2021 Share Posted September 2, 2021 3 hours ago, ianR1 said: Would this just be pushed down to sit on top of the heating pipes or would i better to slot it to sit over them ? Screed through the doorway Then cut it back with a trowel Push the strip against Only takes a minute per strip We normally put our tile expansion over it Link to comment Share on other sites More sharing options...
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