Typical depth of resin bound surface hand applied and trowelled to a smooth finish by Addagrip approved installers
6mm aggregate formulation min.16mm
10mm aggregate formulation min. 22mm
(3mm aggregate formulation min.12mm is semi-porous and not recommended for SuDS requirements)

Finished with 0.5mm diameter grit cast onto uncured resin bound surface.

A 50mm depth of AC14 or AC10 Open Surface asphalt concrete max 160/220 pen to BS EN 13108-1:2006 (Bituminous Macadam) or 50mm depth of Terrabound base.
Laid by others in well compacted layers to a minimum fall of 1.5% (1 in 66).

A 100mm depth of well compacted, non-frost susceptible Type 3 granular sub-base to SHW clause 805 or 4/40mm, 4/20mm graded crushed concrete aggregate to BS EN12620 or locally available secondary or recycled aggregates which comply with the requirements of the specifications for Highway works for sub-bases.
Laid by others in well compacted layers to a minimum fall of 1.5% (1 in 66).

A geotextile membrane to prevent upward migration of fine soil particles or an impermeable membrane to convey water to infiltration or storage systems etc.
Laid by others.

Regulated as required.

Typical depth of resin bound surface hand applied and trowelled to a smooth finish by Addagrip approved installers
6mm aggregate formulation min.18mm
10mm aggregate formulation min. 24mm
(3mm aggregate formulation min.16mm is semi-porous and not recommended for SuDS requirements)

A 70mm depth of AC14 or AC10 Open Surface asphalt concrete max 100/150 pen to BS EN13108-1:2006 (Bituminous Macadam) or 50mm depth of Terrabound base.
Laid by others in well compacted layers to a minimum fall of 1.5% (1 in 66).

A 150mm depth of well compacted, non-frost susceptible Type 3 granular sub-base to SHW clause 805 or 4/40mm, 4/20mm graded crushed concrete aggregate to BS EN12620 or locally available secondary or recycled aggregates which comply with the requirements of the specifications for Highway works for sub-bases.
Laid by others in well compacted layers to a minimum fall of 1.5% (1 in 66).

A geotextile membrane to prevent upward migration of fine soil particles or an impermeable membrane to convey water to infiltration or storage systems etc.
Laid by others.

Regulated as required.

6mm aggregate formulation min.16mm

A 50mm depth of AC 14 Open Surface asphalt concrete max 100/150 pen to BS EN 13108-1:2006 (Bituminous Macadam)

A 150-225mm Depth of well compacted, non-frost susceptible Type 3 granular sub-base to SHW clause 805 or locally available secondary or recycled aggregates which comply with the requirements of the specifications for Highway works for sub-bases

A geotextile membrane to prevent upward migration of fine soil particles (optional)

Regulated as required

6mm aggregate formulation min.18mm

A 70mm depth of AC 14 Open Surface asphalt concrete max 100/150 pen to BS EN 13108-1:2006 (Bituminous Macadam)

A 150-225mm Depth of well compacted, non-frost susceptible Type 3 granular sub-base to SHW clause 805 or locally available secondary or recycled aggregates which comply with the requirements of the specifications for Highway works for sub-bases.

A geotextile membrane to prevent upward migration of fine soil particles (optional)

Regulated as required

6mm aggregate formulation min.18mm

A 30mm depth of AC 14 Open Surface asphalt concrete max 100/150 pen to BS EN 13108-1:2006 (Bituminous Macadam)

A 60mm minimum depth of maximum AC 20mm open graded asphalt concrete max 100/150 pen to BS EN 13108-1:2006 (Bituminous Macadam)

A 300-500mm depth of well compacted, non-frost susceptible Type 3 granular sub-base to SHW clause 805 or 4/20mm graded crushed concrete aggregate to EN12620 or recycled aggregates which comply with the above, blinded with 2/6.3mm graded crushed concrete
aggregate to EN12620

A geotextile membrane to prevent upward migration of fine soil particles (optional)