Lightweight EPS fill for down slabs and level changes.
Lightweight fill to sunken slabs and level changes, replacing the sand and lean-mix the structure would otherwise carry permanently.
Sunken slabs for wet areas, terraces and landscaped podiums are usually built back up with sand or lean-mix concrete, and the structure carries that weight for its whole life. EPS fill does the same job at a fraction of the load.
IB cuts the fill to the depth of the drop and to the falls of the finish above, so screeding starts from a level, stable base. Grades are selected against the compressive load of the build-up above.
EPS for Down Slabs
Takes weight off the frame
Replaces sand and lean-mix that the structure would carry permanently.
Cut to the drop and the falls
Blocks and tapered sheets from 10 to 1000 mm thick.
Graded to the build-up
Compressive stress at 10% strain from 70 kPa (LD) to 235 kPa (SHD), BS 4370.
Clean and quick
No wet fill to place and compact; laid by hand and screeded over.
Why use EPS instead of sand in a sunken slab?
EPS gives the same level change at a fraction of the weight, so the slab and frame do not carry a permanent load of sand or lean-mix.
Can EPS fill be cut to falls?
Yes. Sheets can be tapered to the falls of the finish above so the screed starts from a true base.
Which grade should be used under a screed?
The grade is chosen against the compressive load of the build-up above. Send the section and IB confirms it.
Send us your drawings.
Send the slab or wall details and IB will return a grade recommendation, a cutting schedule and a quantity take-off.
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