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Large Precast Interlocking Solid Concrete Blocks
Sizes
The three sizes shown allow for complete interlocking of any wall two blocks or more high. The main construction is usually comprised of "Standard" blocks. The "Small" and "Large" blocks are used to interlock corners and finish end walls.
With our interlocking blocks you can easily modify your existing layout or purchase more blocks to extend your existing structure.
Its this flexibility that makes our concrete blocks the smart choice
Small Block
Mass 550kg
Wall area 0.44m2
(One vertical reinforcing duct)
NZ REG DES 408421
Standard Block
Mass 1,100kg
Wall area 0.88m2
(Two vertical reinforcing ducts)
NZ REG DES 408422
Large Block
Mass 1,650kg
Wall area 1.32m2
(Three vertical reinforcing ducts)
NZ REG DES 4084232
Lifting
All our blocks are positioned with "gravity type" scissor lifters for safety and reliability. As the concrete is recycled and has no specific strength the use of precast lifters would be dangerous (they can also be damaged during block placement making future lifting dangerous). A loan lifter can usually be provided. All our lifters are certified and tagged.
Interlocking
The interlocking pattern is simple with enough tolerance to allow fast installation. Blocks with overly complicated systems of interlocking can become very difficult to install costing time and money.
Reinforcement ducts.
For engineered solutions reinforcement can be passed vertically through 80mm diameter ducts formed in the blocks at each interlocking point (550mm ctrs). This allows the wall to act as one engineered structure.
Blocks can be positioned over starters can cast into a concrete footing and as the rest of the wall is built additional reinforcement can be tied into place and grouted once the wall is complete. Reinforcement is usually only required for very high walls or walls carrying a surcharge load
Freight
Many of our customers provide their own freight and place there own blocks, its that easy!. Most farm machinery can lift the blocks without any problem. Alternatively blocks can be positioned with a hi-ab truck. If you wish we can provide you with contact details for companies familiar with our product, who can provide freight and / or installation of the blocks.
Waterproofing
If required a bead of silicone during installation will provide a waterproof seal preventing moisture ingress.