Perfect for heavy duty garden retaining walls.
Block retaining wall design nz.
Allan block has all the products colors ideas and resources you need to design and build retaining walls for homeowners contractors designers and engineers.
The unique design of the tasman wall system allows increased.
Depending on the concrete blocks used a retaining wall made from concrete blocks could start from around 299 390.
Firth keystone retaining wall system lightweight easy to handle and requires no special tools.
Retaining walls that are over 1 5 m high and those supporting a surcharge require a building consent see figure 1.
All firth retaining is made in nz.
B1 2 which states buildings building elements and siteworks.
Any anchorbloc retaining wall exceeding 1 5 metres tall will require an independent design completed by a chartered professional engineer and will require a building consent from the local council.
Regardless of whether a building consent is required retaining walls must comply with the requirements of the new zealand building code clause b1 structure.
This information is published by the ministry of business innovation and employment s chief executive.
The blocks are easily dry stacked and their patented design locks into the block above to form an attractive structural retaining wall.
Timeless retaining walls stonebloc is a precast concrete retaining wall system of interlocking concrete blocks designed specifically for walls up to 2m high.
It is a general guide only and if used does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case.
Creates walls up to 1m high can go higher with specific design 3 units per lm or 11 units per m2 retaining capping units corner blocks and fibreglass pin connectors are also available 34kg block.
Stonebloc are easy to stack ensuring an incredibly fast build time and with 400mm thick solid concrete they form a super durable wall.
The tasman retaining wall system incorporates purpose made corner and capping units to provide classical reconstructed sandstone retaining walls.
When a building consent is required the wall must be specifically designed by a registered engineer.
Firth retaining walls blocks are perfect for creating a landscaping feature.