This Groundcheck Extra is a 75gsm tighlty woven membrane that has been specially designed for trafficked areas, road construction, stabilisation and separation. With heat-set tapes for maximum strength and a 100% polypropylene memebrane, this Geotextile allows for minimum fraying when cut.

Key Features

• Under decking will save on the cost of mulching
• Tapes are heat setted giving maximum strength
• Prevents rutting and subsidence in a block paviour drive
• The strongest type of Geotextile on a weight for weight basis
• Decorative aggregates will not be lost into sub base or substrate
• Ideal for trafficked areas, road construction, stabilisation and separation
• Tightly loom woven 100% polypropylene membrane allowing minimum fraying when cut

Technical Information

• Size (m): 2.0 x 25
• Membrane weight: 75gsm
• Dynamic Cone Drop: 19mm (+4mm)
• Static Puncture Resist: 1500N (-150N)
• Water Permeability: 16 lt/m2s (-1 lt/m2s)
• Average mean or pore size: 300µm (±75µm)
• Elongation - Warp/Weft: 25% (-10%) / 25% (-10%)
• Tensile strength - MD / CD: 18.0kN/m (-4.0kN/m) / 10.0kN.m (-4.0kN/m)

Application Instructions

Grouncheck Extra is not designed to be used as a weed control membrane. Where a Geotextile is expected to perform as a drainage membrane, the use of Stratacheck is recommended. This product is suitable for the following applications:

• Under decking
• Car parks & roads
• Under ground grid
• Under domestic patios
• Scree areas commercial
• Under cellular confinement
• Between Crocks & Compost
• Aggregate areas / scree areas
• Horse manèges - under type 1