Flooring Question

What do i fill floor in with slc or a bonded screed ?

i have a 2 x 1 metre section of flooring to fill in..the existing subfloor is concrete with a 20mm screed on top, again the section to fill in is 20mm in depth..im told i need a tacky grout cement slurry onto the subfloor first followed by a bonded screed 3/1 sharp sand/cement+sbr 1/1 with the water ? does this sound correct as other people say you shouldnt screed less than 50/75mm in depth ? but the advice to do it this way is from a reputable tradesman im told ? is an alternative to use wickes deep fill slc which does 5-50mm ? as im having some nice floor tiles laid i want my subfloor solid & sound

2 Answers

use latex sceed with granite chips then clean bucket and screed again over top with latex screed only

Answered 23rd Nov 2011

all aspects of flooring

Member since 23 Nov 2011

use a latex screed with granite chips for 17mm let it dry over nite then screed the other 3mm with laytex screed

Answered 26th Jul 2012

wm carpets

Member since 26 Jul 2012

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