Washed Fine Masonry Building Sand FP (multipurpose XS) Concrete Gravel A 20mm graded gravel for

A 20mm graded gravel for concrete and other applications (e

The sand and gravel in the slits respond differently to repeated cycles of wetting and drying compared with the adjacent soil causing the level of sand and gravel in the slits to sink progressively relative to the soil

This is exacerbated by residues from broken down grass

Slit drainage is one part of a proper management system for a winter games pitch

) can then be prepared with confidence that they will achieve the desired results

Washed Fine Masonry Building Sand FP (multipurpose XS) Concrete Gravel A 20mm graded gravel forOur type XS (Special) General Purpose Masonry Sand is a natural washed sand for plain and reinforced brickwork, blockwalling and masonry. Our masonry sands comply with the gradings set out in BS 1200, AMD 4510 and BSEN 13139: 2013. Each of our masonry sands is intended to produce mortar of predictable strength and durability, with a uniform appearance. The British Standards specification limits the surface area of the grains to be coated in cement, so