Glossary of Terms

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3rd Generation

A generic term applied to synthetic turf carpets. Third generation describes the type of system that incorporates mixed fills, generally of sand and rubber granules. The fibre length is normally in the range 50 to 75mm. This system has been widely accepted for soccer at the highest levels but is less versatile, in a multi-use context, than the second-generation sand-filled carpet systems.

Acrylic

A surface coating system which uses water-soluble resins, fillers and pigments. Acrylic coatings may be applied as a spray coating on open textured base layers to provide a porous system or applied by squeegee, in successive layers, on to an impervious base, to provide a non-porous system.

Acrylic

A surface coating system which uses water-soluble resins, fillers and pigments. Acrylic coatings may be applied as a spray coating on open textured base layers to provide a porous system or applied by squeegee, in successive layers, on to an impervious base, to provide a non-porous system

Acrylic

A surface coating system which uses water-soluble resins, fillers and pigments. Acrylic coatings may be applied as a spray coating on open textured base layers to provide a porous system or applied by squeegee, in successive layers, on to an impervious base, to provide a non-porous system.

Acrylic Colour Coat

A colour coat which incorporates the chemical constituents which make up the acrylic system. An acrylic colour coat may be applied as either a porous (spray applied) or an impervious (squeegee applied) finish.

ADSL

Asynchronous Digital Subscriber Line

AENA

The All-England Netball Association.

Aggregate

Naturally occurring rock or gravel which may be crushed and graded to conform with a relevant standard.

API

The Association of Play Industries

Artificial Grass

A sports carpet manufactured by weaving, knitting, tufting or needle punching fibres of polypropylene, polyolefin or nylon into a backing cloth. When laid in on a flat base, this carpet can be designed to comply with the performance criteria of a range of sports governing bodies.

Artificial Turf

A sports carpet manufactured by weaving, knitting, tufting or needle punching fibres of polypropylene, polyolefin or nylon into a backing cloth. When laid in on a flat base, this carpet can be designed to comply with the performance criteria of a range of sports governing bodies.

Asphalt

A composite material, commonly used for road surfacing, formed from mixing bitumen, graded crushed rock and sand. The grading of materials and percentage of binder are specified in BS 4987 and are such as to produce an impervious layer when appropriately compacted. Asphalt may be used as a base in impervious systems such as non-porous acrylics. In the United States all bituminous roads products, including open textured macadam, tend to be classified as asphalts.

BS 7044

The British Standard for Artificial Sports Surfaces for Multi-use.

BSI

The British Standards Institution

CEN

Comité European de Normalisation. The European Committee for Standardisation, responsible for the production of the European Standards.

CITB

An abbreviation for the Construction Industry Training Board. This is one of the few remaining statutory training boards left in the UK. The Board is funded by a statutory levy on UK construction companies where their activities come within the Scope Order of the Board. The CITB run very successful training courses at their centre at Bircham Newton. Contact their website at: CITB website

Cohesion

In the case of a soil, the shearing strength of the material not due to friction. The degree to which the particles will cling together.

Colour Coat

A paint system, which may be, for instance, acrylic or polymeric, applied to a surface to provide an aesthetic finish.

Cut and Fill

The principle, in earthworks terms where material from the high parts of a site is moved to fill the low areas and create a level plane.

Dynamic Base

The term 'dynamic base' is applied to the sub-surface layers of a sports surfacing system where the layers, supporting the surfacing system, are of an unbound construction. This contrasts with an 'engineered base' system where the sub-surface layers are bituminous-bound macadam.
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