• Commercial drainage is the ideal solution to all heavy duty pit requirements
• Available rated from load class A to E

• Allproof floor surface water drainage products have been designed for compliance with the scope outlined in building codes listed above and to be installed as per published installation guides.
• The standards these products have been designed to does not consider fire resistance.
• For draining aggressive chemical substances careful product selection is required, see product details for further information.
• Concrete encasement for appropriate load class requirements is needed, see installation details for further information.
• Load class limitations specific to each grate design, see product details and install documents for further information.

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.