screed

Screed has three meanings in building construction:

A flat board (screed board, floating screed) or a purpose-made aluminium tool used to smooth and to "true" materials like concrete, stucco and plaster after they have been placed on a surface or to assist in flattening;
A strip of plaster or wood applied to a surface to act as a guide for a screed tool (screed rail, screed strip, screed batten);
The material itself which has been flattened with a screed (screed coat). In the UK, screed has also come to describe a thin, top layer of material (sand and cement, magnesite or calcium sulphate), poured in situ on top of the structural concrete or insulation, on top of which other finishing materials can be applied, or the structural material can be left bare to achieve a raw effect.

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  1. F

    Self Leveling Tips?

    im not the best at self leveling, always end up with trowel marks and ridges in places, has anyone got some pointers for me? I mainly have to do it when fitting Ufh. I've always tended to pour half a bucket out and spread it about with a trowel but I've seen a lot where people walk with the...
  2. J

    Tiles Coming Off Screed Re-tiling Advice

    Dear all, I need a bit of advice, about 2 month ago I had the kitchen tiled (600*600 porcelain tiles) on 50mm screed. Last week I started noticing clicking around an area and I could see the grout was breaking. After lifting a tile with the tiler we noticed that 3 things happened: - The scree...
  3. W

    Gyvlon Screed

    Got 115 sqm metres of porcelain to do through 7 rooms on this screed. Ufh throughout it all. Would you recommend ditra or not? The screed doesn't seem to have any laitenance on it but does it still need sanding,if so what do you recommend to sand it with? Only done small areas of this screed...
  4. stone tiler

    Anhydrite Floor Sanding

    Afternoon everyone Just wondering what machines you guys are using to sand the laitance off these floors? I'm using a 9inch grinder at the mo with a dust shroud but its starting to give up on me. Before I go out and get something new I thought I'd check with you guys to see if there was...
  5. B

    Wet Ufh - Tiling Onto Screed

    Hi all, I'd appreciate any help. I'll be installing wet underfloor heating in a new extension. I would like to know if i can tile straight onto the screed with flexible adhesive? Thank you.
  6. Element

    Water UFH Anhydrite Screed Question

    I have a problem developing with tiles laid over water UFH in anhydrite screed. A few tiles are sounding hollow and are slowly becoming loose. The floor was 'scarified' using an orbital floor machine with a rotating disc with points underneath. The floor was then treated with a primer apparently...
  7. L

    Advice On Floor Prep. Several Slabs & A Large Deviance In Floor Height.

    I'm pricing a job atm where the customer would like the floor tiling from the kitchen straight into the bathroom. The house was derelict for a long time and the floor is a mess. My big concern is the serveral slabs etc, the floor height can be built up in SLC and bulked out with sharp sand in...
  8. H

    Dural On Anhydrite

    Hello all. Got a large area of anhydrite that's having Durabase matting on it. Just wondering what adhesive you guys prefer to use with it. I'm thinking Granfix CSA as it's standard setting and i can mix a load at a time, as i said it's a big area. All input appreciated, cheers.
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