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Appendix C 4 Geotextile Reinforced Seal (GRS)

A two-lane, two-way rural highway is to be resealed.

A 14/7 double/double initial seal was placed 8 years ago. The seal has significant block cracking in the traffic lanes, where shrinkage cracks from the cementitious stabilised base have reflected through.

A geotextile reinforced seal will be placed in the traffic lanes, utilising a double/double seal over the geotextile layer. The shoulders will be sealed with a 7 mm single/single seal and will not utilise a geotextile.