Industrial and farm floors
Most industrial and farm floors that take traffic are concrete, not screed. A levelling screed carries a floor finish; it isn't built to be driven on. A liquid screed is non-structural and non-wearing: it's the layer under the floor finish. BS 8204 has a separate part, Part 2, for concrete wearing surfaces.
Screeds still have a place on these sites: offices, canteens, dairies' finished rooms, stores with a resin or tiled finish, and resurfacing. Farm concrete itself is specified under S.100.
Free, no obligation. One local screeding contractor prices it, not five.
Screed or concrete?
| Floor | Usually | Why |
|---|---|---|
| Warehouse, forklift traffic | Power floated concrete | A wearing surface (BS 8204-2), not a levelling screed |
| Offices, canteens, toilets in a unit | Levelling screed + finish | A flat base for vinyl, tiles or carpet |
| Farm yards, slatted sheds, silage slabs | Concrete to S.100 | Department of Agriculture minimum specification |
| Farm office, dairy rooms with tiles or resin | Screed + finish | A flat, true base for the finish |
| Old silo floor | Resurfacing to S.128A | A Department specification of its own |
S.100 farm concrete, in short
- Mix A: C35/45, at least 360 kg/m³ cement, water/cement ratio 0.5 at most, for silage pits, slabs, aprons and effluent channels.
- Mix B: C30/37, at least 310 kg/m³ cement, 0.55 at most, for all other farm structures.
- Exposed yard slabs with freeze/thaw: Mix A, or Mix B with at least 3.5% air entrainment.
- Other Department specifications include S.101 (structure of farm buildings), S.128 (silage bases), S.128A (resurfacing silo floors) and S.129 (yards and roads).
Screed laid by the contractor who takes your call
Calls on this site ring JAM Floor Screeding: James Mulhall, based in Portlaoise, 25 years laying floors. Lines open Mon to Sat, 7am to 6pm. These are his jobs.



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Questions people ask
Can screed be used as a warehouse floor?
Not as the wearing surface. A levelling screed carries a finish; trafficked floors are concrete wearing surfaces (BS 8204-2), usually power floated.
What concrete is used on farms?
S.100: Mix A (C35/45) for silage structures, Mix B (C30/37) for everything else, from the Department of Agriculture's specification.
Is there a specification for resurfacing silo floors?
Yes: the Department of Agriculture's S.128A, listed by the Irish Concrete Federation.
Where are screeds used on farms?
In farm offices, dairy rooms and stores with a tiled, vinyl or resin finish, where a flat base is needed.
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