weak screed mix
i'm getting UFH laid over 70m2 as per this diagram http://bordersunderfloor.co.uk/stfd.htm
there will be 2"x1" spacers screwed to the joists at 450mm centres, the UFH pipes are laid between these and the screed goes in to fill in the gaps. then the final floor surface will be T&G bamboo floated on self adhesive underlay. the screed is only to transfer the heat ... but i've never used a weak dry mix (8:1 dry sand / cement) like this before and i'm wondering if it will set and be stable enough without crumbling for me to work on it ie to finish the refurb, plaster boarding, painting, wiring etc or perhaps it would be better to use a stronger mix? or put down a temporary floor? |
weak screed mix
wrote in message oups.com... i'm getting UFH laid over 70m2 as per this diagram http://bordersunderfloor.co.uk/stfd.htm there will be 2"x1" spacers screwed to the joists at 450mm centres, the UFH pipes are laid between these and the screed goes in to fill in the gaps. then the final floor surface will be T&G bamboo floated on self adhesive underlay. the screed is only to transfer the heat ... but i've never used a weak dry mix (8:1 dry sand / cement) like this before and i'm wondering if it will set and be stable enough without crumbling for me to work on it ie to finish the refurb, plaster boarding, painting, wiring etc or perhaps it would be better to use a stronger mix? or put down a temporary floor? Personally I'd put down a temp floor or boarding to protect it |
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