Browse Forums Bathrooms and Laundry 1 Mar 31, 2010 7:06 pm hello.. anyone know if there is a do or dont with floor screeding... i was told to never use bondcrete in a bathroom because it can imulsify due to moisture.. in perth for some reason our bathroom floors are a not very strong mix of concrete like a slab would be.. very sandy mix of sand , cement.. if not sealed properly they become very drummy.. and sometimes crack.. i was taught to use water and general purpose cement to form a slurry and brush on floor then screed with dryish mix 3 or 4 to one cement mix and ram pack floor to level.. now im told to add boncrete to slorry and cement mix.. any idears on hows right or wrong.. or where i can get standards fromm.. people demand guarrentee,s now days and its very costly to go back and fix cracked tiles and drummy floors.. thanks big mac Re: screeding floors 2Mar 31, 2010 11:05 pm BC as an admix it is fine but not a bonding product in a wet area. There are other cross linked products that don't re-emulify. But dry pack is the best way. Where you are coming from is where you are going to... Re: screeding floors 3Apr 15, 2010 8:36 pm The dry mix is correct, it should be more of a mortar mix as opposed to concrete! Re: screeding floors 4Apr 16, 2010 8:24 am What I have done is water proof ā dry mix ā water proof again. 2 layers of water proofing may be overkill, but Iād rather be safe than sorry. Plus the second layer of water proofing prevents the musky or mouldy smells. 2 4680 3 5588 Old Home Restoration / Renovation To reduce noise transfer without compromising the aesthetic of your exposed I beams, consider filling the 100mm gap between the I beams and the floor above with dense,… 6 9146 |