Therefore a suitable type of cement shall be selected and sand needs to be free of deleterious materials.
Crumbly floor screed.
After a 10 days it is also cracking by the doorway.
It was delivered quite dry and by the time we had finished seemed even worse but it trowelled up o k.
Floor screed is composed of cementitious materials and sand blended based on a suitable mix design and applied to provide a leveled surface for the floor finish which is introduced to the surface of the floor screed.
We pulled up some lino floor which was backed with sheets of mdf.
So i thought it would go off.
The screeders 20 yrs experience worked really hard but said it was the worst screed they had ever seen.
It was drying for a week and there was no traffic on this floor.
We are currently renovating our kitchen in a 1930s flat.
There is an aluminium angle in the doorway and a metal.
Hi i have hired a tradesmen to screed a floor.
I am reasonably handy but never done any tiling before.
Hi what i do to prevent the scuffing off of the top of floor screeds is to apply a cement wash over the screed usually after a day or two when floor is dry enough to walk on to do this i mix a shovelful of cement to gorilla tub setting bucket and a healthy glug of pva filled with clean water and stir as to not let the cement stick to the bottom of the bucket after a few minutes of.
A rotary hammer drill would be overkill if the screed is crumbly a lump hammer and a cold chisel sound like they would easily do the job.
The screed is incredibly crumbly and looks like.
Hi i laid a new concrete floor and laid the screed on thursday i went back today and found the screed to be like crumble towards the end we laid last.
And the entire floor is just as weak and crumbly as that point if not more some parts i can literally break away with my fingers.
Instead of looking smooth shiney it was rough powery however much they trowelled it.
My problem is now 4 weeks on the floor is very dry crumbely.
When we started to pull up the mdf we noticed some kind of underlay screed that had been painted green but with a red core.
As i have removed the floor tiles in the laundry the screed below has come up in places and is pretty crumbly in others so i have removed the lot and am just back to the bare slab.
The tradesmen completed the work but the surface is left crumbly and edges corners came lose and have now separated from the rest of the floor.
So floor screed is.
Laundry has a waste in the centre of the floor.
User 25416 4189 posts.
In 11 patches the hoover has sucked out over 2inches of the crumbely screed.