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How about rendering the walls with a waterproof render, also carrying the render down from the walls onto the floor to stop water coming through the wall/floor junction. It's a standard application for application to concrete, sound render, brick, block. The surface must be sound, solid, not...

You are welcome. Good luck with the floor. Simeon

Time Sweat Tears Back ache Sorry, you appeared to need a technical solution, which I believe I have provided. Of course if ripping up and starting again is easier/quicker/cheaper, it's hard for me to challenge you.

Monoprufe 10kg pack is enough to apply: 1 coat over 5m2 or 2 coats over 2.5m2 Ronafix as a bonding primer (1:1 with cement) 1 litre covers 3.5m2 as a screed admixture at 6mm thick (the min. for a Ronafix screed) you will need 0.54 litres per m2 When you mix Ronafix with cement...

If you can lay a smooth, flat screed you shouldn't need a latex. But, if you want to/need to lay a latex, yes.

Yes only 1 coat because the primer for the screed acts as both a bonding primer and a second layer of DPM. So yes, you are correct in thinking that you need 2 coats of DPM, but this is achieved with 1 coat of Monoprufe DPM and 1 coat of Ronafix:cement primer. Bristol; contact Burdens...

Whatver you use you must first clean the floor to remove any oil, grease, rubber, loose material, dirt, debris. Power washing is the minimum you should do, using a proprietary degreaser where needed. The ultimate prep is to shot blast the floor, steam clean, or diamond grind it. Probably over...

Suggest as follows: 1. clean up the sides and base of any "holes" to make sure the surfaces are hard and dense and not loose and powdery - this is because the new mortar you are putting in needs to bond to what has been left behind 2. prepare surface 3. leave clean and dry 4. if you...

Suggest as follows: 1. remove enough of the old screed to allow you to re-lay 6mm of new screed and end up with correct levels 2. prepare surface 3. leave clean and dry 4. apply 1 coat Ronacrete Monoprufe 5. allow to dry (12-24 hours) 6. mix and apply 1 coat Ronafix:cement bonding...

I'm assuming you want to lay a 25mm screed on top of an existing (old) concrete floor which is in good condition, not crumbling, no loose aggregate. As a minimum: wire brush the existing remove any moss, algae with Ronacrete Ronabond Fongimousse Plus wash with clean water leave damp...

You don't say how thick the screed is but the fact that you're concerned that it sounds hollow suggests you intended it to be bonded to the concrete beneath. For screeds to bond to concrete, the concrete must be sound, strong, stable, with no powdery laitance on the surface. The normal...

Yes, it takes 1 day per mm, so allow 50 days - or 7 weeks - for a 50mm screed to be dry enough to overlay with impermeable coverings such as vinyl and carpet. The easiest way to speed the process is to use a product called Uniscreed. There are 3 grades: Uniscreed Standard (a liquid admix)...