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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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.
View More On Wikipedia.org
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Poured concrete screed preparation
Hi everyone. I have a floor tiling job coming up that is a poured concrete screed over piped underfloor heating. The screed has been down for many months (completely cured and underfloor heating has been ticking over on low). My issue is that the surface is quite smooth with a light sheen. Would...- J K Tiling Cornwall
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- concrete preparation screed
- Replies: 7
- Forum: America
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Ardex A29 quick set screed
First time using this and it says it can be tiled on 24hours after application. I'm looking at it, it's firmed up but still has the wet look all around it. I was thinking maybe it would have dried out quicker than this or am I overthinking it. I want to use green screed addy, bal red anti...- average
- Thread
- ardex screed set
- Replies: 0
- Forum: Adhesive and Grout
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Sand and cement screed down. How long
I have a newly laid screed 75mm thick sand and cement laid 2 weeks ago. I'm stuck for time and need the ensuite floor tiles asap. Is there any products you can recommend for me so I can start laying now rather than wait another few weeks before it's fully dry.- average
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- cement down how screed
- Replies: 2
- Forum: General Off-topic Chat (nothing tile)
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Tiling onto calcium based screed
Hi, just after some advice if anyone can help. I’ve just poured the floor on my extension at 110mm thick using Agilia (calcium based). I am wanting to tile in about 5-6 weeks but after reading a lot on this it has become apparent there will still be moisture in the floor and I should wait for... -
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Do I need a Ditra Matt on c30 dry screed?
Hi guys We are laying porcelain tiles 120 x 120 on a c30 dry screed on top of wet under floor heating 55m2 and I would like know if we need to use a Ditra Matt or tile straight to screed with a flexible tile adhesive ? Thanks Raff- raffraff77
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- ditra ditra mat dry dry screed matt screed
- Replies: 2
- Forum: America
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Very large format porcelain, partial anhydrate screed UFH
Forgive me for I am noob... I have a 9m x 9m floor area that is one space, but half is a new build extension and half is 1920's old house Situation: The new build half has a Anhydrite screed floor with UFH. The old half is concrete floor WITHOUT UFH. The tiles are 1200mm x 600mm porcelain. The... -
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Slate over Anhydrite screed - commissioning a
Hello 45mm Anhydrite screed (Aggregate Industries 'Highflow') is now dry (moisture tested by contractor). Thoroughly dried out with 2 x dehumidifiers running 24x7 for 45 days. Wet UFH system in screed - but boiler is not yet installed - so can't take the floor through a thermal stress cycle... -
J
Flagstone Floor Screed Depth
Hi, I am in the process of building a house and I am planning on using a thick flagstone (Supplier recommends allowing for a 35-40mm laying thickness) on my kitchen diner floor, I am using a sand and cement screed that building regs state should be 65mm thick with UFH. I want the house to flow...- Jimmyriddle
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- depth floor screed
- Replies: 4
- Forum: America
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Porcelain tiles on top of 90 day old screed
Hi After some advice, I am a DIY tiler and going to be tiling our kitchen extension floor with porcelain tiles ( have tiled before so confident with tiling). We had the screed laid (sand/cement @ 75mm) about 90 days ago, I’m confident it dried and has no cracking anywhere and level. The screed... -
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Tarmac Flowing Screed - Yorkshire & Humberside
Local, concrete & flowing screed specialists. Competitive rates Quality assured concrete & flowing screeds Small loads of concrete from 0.5m3 to 4m3 Flowing screed loads from 1m3 to 6.5m3 Dedicated flowing screed plant Free technical advice for DIY & building projects Direct Message us for... -
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Screed / SLC over old marleys
Hi all, I have a room full of old asbestos marleys in good condition (apart from a few chips by carpet grippers). Can anyone recommend a screed / slc to go directly over the top of the tiles? I don't want to pull them up. Thanks- NewbieTiler99
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- old over screed slc
- Replies: 2
- Forum: General Off-topic Chat (nothing tile)
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Crumbling screed, possibly magnesite
We are currently renovating our kitchen in a 1930s flat. We pulled up some lino floor which was backed with sheets of MDF. 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. The screed is incredibly crumbly and looks like... -
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Porcelain tiles on a screed floor
Hi All I am just about to tile my porch floor which is screeded. The surface is completely sound but is 35 years old having had carpet tiles on it for the entire duration. Do I need to seal it up using something like primer G before I start tiling? Thanks Peter -
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Green screed adhesive
How de we feel about Mapei green screed adhesive? anyone had any bad experiences with it ?- Aaabbb
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- adhesive green screed
- Replies: 1
- Forum: DIY Tiling Forum
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Porcelain to anhydrite screed whats your favorite method?
Hi i'm self building my own barn conversion and have a anhydrite screed and underfloor heating. Screed was laid 8 months ago and latence removed about 5 months ago, the heating cycled during the winter but off now as its 'summer'. I dont have any way of testing if its dryed out but have had a...- carfarmer
- Thread
- anhydrite porceain porcelain screed whats your
- Replies: 4
- Forum: DIY Tiling Forum
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East Midlands Oundle area PE8, approx 35m of 900x600 15mm limestone.
It will need decoupling membrane which I have. Theres also a few meters in a passage that will need raising up approx 10mm with latex(?)- Rugrat
- Thread
- limestone screed
- Replies: 1
- Forum: Tiling Jobs | Tile Fixer & Contractor Work
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Priming new screed
Hi everyone can someone help,ive primed a new screed floor with Bal primer but it seems to have soaked into the screed with no tacky surface any ideas please- julian tanner
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- canada priming screed
- Replies: 3
- Forum: Canada
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Cement board over anhydrite screed
We have a floor to do which has ended up being way to low. We to bring the whole floor up about 14mm before we mat it and tile it. It is 180m in a very old expensive house that has original skirts and stair cases still in place that we need to get up to. We figured a 12.5mm cement board would be... -
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Setting Out Biscuits screed (dry) SBR??...
Evening folks. I’ll get straight to the point. Been to look at a job. Dining area / kitchen. Roughly 45m2 The contractor previous have installed underfloor heating and screeded it with a biscuit mix dry (7-1). The floor to me wants self levelling before anyone starts, it’s not bad for level...- Deleted member 53943
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- dry sbr screed
- Replies: 8
- Forum: DIY Tiling Forum
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A few questions before laying tiles
Hi all, this is my first post on here although in attempting to Google answers to my questions I have come across several threads on this forum already which were really helpful. So now I thought it'd help to get advice specific to my situation...so here goes. These are all in relation to an...
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