Glossary

RESIN BOUND GRAVEL

RESIN BOUND GRAVEL
The process of mixing resin and aggregates together in a forced action mixer, then laying to a smooth, trowelled finish.

RUBBER MULCH

RUBBER MULCH
The process of mixing resin and colour coated shredded rubber tyres together in a forced action mixer, then laying to a trowelled finish.

RUBBER SHOCK PAD

RUBBER SHOCK PAD
A resilient layer of SBR rubber, laid below artificial grass to give a degree of cushioning / resilience to an impact.

RUBBER TARMAC / EPDM

RUBBER TARMAC / EPDM
An alternative name for Wetpour

RUBBER-GRAVEL MIX

RUBBER-GRAVEL MIX
The process of mixing resin, rubber granules and aggregates together in a forced action mixer, then laying to a smooth, trowelled finish.

SAND DRESSED PITCH

SAND DRESSED PITCH
A type of artificial grass pitch (normally of tufted carpet) where the carpet is sand-filled to within 2 – 3 mm of the top of the pile.

SAND FILLED PITCH

SAND FILLED PITCH
A type of artificial grass pitch (normally of tufted carpet) where the carpet is only partially filled with sand. The sand is to help stabilise the carpet and retain some moisture in the system. The infill is not normally necessary for the playing performance of the surface.

SBR GRANULES

SBR GRANULES
Styrene Butadiene Rubber granules form the base layer of the surface and produce the absorbent properties of the system. 2mm – 6mm SBR granules are made from recycled truck tyres.

SELF BINDING GRAVEL

SELF BINDING GRAVEL
The process of binding gravel together by rolling and hosing down with water.

SHRINKAGE

SHRINKAGE
Where the surface pulls away from the edge or surface it is bonded to.

STANDARDS

All Impact absorbing surfaces (IAS) should carry a test certificate confirming that the surface has been tested in accordance with procedures set out in BSEN 1177 and BS7188: +A2 2009

STRINGLINE

STRINGLINE A type of spirit level used for levelling across longer distances. Tightly pulled string can be used to find level ground between two stakes.

SUB-BASE

SUB-BASE
The layer on which the base course layer is installed.

SUDS COMPLIANT

SUDS COMPLIANT
A Sustainable Urban Drainage System is any surface in which water is allowed to drain through to natural ground or directed directly into a natural or installed soak-away.

TPV

TPV
Granulated thermoplastics. TPV is very responsive to changing weather temperatures. In warmer weather, the surface becomes very soft and sticky, in winter, the surface becomes very hard and loses its elasticity
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