Scotshouse Quarries manufactures Granular Fill material for use under concrete floors and footpaths in accordance with Annex E of S.R. 21
SR-21 is a crushed stone product that is used for fill under concreate floors and footpaths.
Scotshouse Quarries offer all grades covered under the Annex E umbrella:
T.0 Structural
0/125mm – for use in depths of > 900mm
T.1 Structural
0/31.5mm crushed rock (0/40mm for crushed gravel) for use in depths <900mm
T.2 Permeable
4/40mm Gas permeable layer (Radon) Min depth 200mm
T.3 Blinding
0/4mm blinding layer for T.2 Max depth 50mm max
