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New type floor screed

[Deleted User] · 2017-05-13 16:32:17

Has anybody used this type of floor screed developed in France, it appears to be an advancement on hemi hydrate for thermal conductivity and very useful with underfloor heating ?? On the fist floor is there a need for insulation between the hollowcore and the floor screed ? Is there an increased risk of cracking if i don't…

13-05-2017 4:32pm

#1

[Deleted User]
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Has anybody used this type of floor screed developed in France, it appears to be an advancement on hemi hydrate for thermal conductivity and very useful with underfloor heating ??

On the fist floor is there a need for insulation between the hollowcore and the floor screed ? Is there an increased risk of cracking if i don't use any insulation ?

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#2 13-05-2017 10:00pm

BryanF

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Yes
No
Not necessarily

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#3 17-05-2017 1:20pm

BarneyMc

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If you don't use insulation on the FF then how will you clip the UFH pipes to the floor? I just used 25mm on FF for this very reason.

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#4 17-05-2017 6:40pm

Water John

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You also have the concrete bridging to the walls. I would use 50mm under, 25mm border and screed or dry mix.

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#5 17-05-2017 9:20pm

corcadorcha

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What is the type of screed?

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#6 18-05-2017 8:49pm

[Deleted User]
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corcadorcha wrote: »

What is the type of screed?

This is it

http://mcgraths.ie/cemfloor/

i'll be getting quotes in the next few days, its cement based. Looks to be relatively new to the Irish market

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