For surface water drainage and sediment catchment before entering the local authority’s stormwater system.

• Product options include various sizes to allow for different hydraulic demands.
• Grate selection should be made on the desired attributes to suit traffic type, i.e. load class and heelproof.

NZBC E1 Surface Water: 

• E1.1/E1.2: Allproof Surface water drainage systems have been designed to safeguard people from injury or illness, and other property from damage caused by surface water.
• E1.3.1/E1.3.2: When correctly selected for the scenario and installed in line with Allproof literature these systems will protect property from surface water in an event having a 10% probability of occurring annually or entering a property in an event having a 2% probability of occurring annually.
• E1.3.3: When selected and installed correctly Allproof surface water systems with convey water to an appropriate outfall using gravity, avoid the likelihood of blockages, provide access for maintenance and clearing blockages, and avoid the likelihood of damage from superimposed loads or normal ground movements.

B2/AS1 Durability:

• B2.3.1: Allproof surface water drainage systems meet the requirements of B2.3.1 (b) not less than 15 years and (c) not less than 5 years.

AS 3996 Access covers and grates: Allproof surface water drainage systems have been designed to comply to the specifications and testing set out in AS 3996. By complying to this standard Allproof products are made to improve the performance of trafficable covers and grates in vehicular and pedestrian areas, thus reducing risk of injury or loss through damage.

Installed across a range of residential and commercial projects throughout NZ and Australia.

• Manufactured using 100% recycled plastic