Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Firth concrete block walls.
Firth coloured decorative concrete flyer download.
Cambridge tamahere expressway firth keysteel retaining wall system read more contemporary stylish architectural masonry 20 series read more.
Firth solar block brochure download.
Firth masonry product care information download.
Firth garden wall retaining walls can be constructed to a maximum height of 700mm this system cannot take any loading or surcharge on the retained area behind the wall.
Firth certified concrete safety pack download.
For the construction of structural walls and buildings the need for formwork and associated labour is eliminated.
For the construction of structural walls and buildings the need for formwork and associated labour is eliminated.
The savings result from the speed and simplicity of using concrete masonry as a structural frame load bearing and shear walls with horizontal diaphragms as well as exterior skin and space divider.
Firth s masonry used for unique double skin block design.
Build straight curved or terraced walls build diy walls up to 0 7m high 33 3 units per m2 13kg block available in straight face or tri face straight face available in ash charcoal tri face available in rockface.
We have a wide range of concrete masonry blocks designed for specific construction needs.
Alongside firth s current retaining wall products we are proud to bring the cutting edge firth keystone retaining wall system.
Go to firth retaining blocks categories firth retaining blocks.
Firth retaining walls blocks are perfect for creating a landscaping feature.
All firth retaining is made in nz.
Firth elements coloured concrete a perfect choice for a natural rustic look.
With elegant designs and exceptional performance the keystone landscape range is lightweight easy to handle and requires no special tools.
From fences to homes to commercial buildings firth has a masonry block suited to every application.
Perfect for landscape walls tree rings patio lawn or edging and garden or flowerbed borders.
Garden wall is perfect for landscape retaining walls tree rings patio lawn edging and garden or flower borders.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.