Dimond Flatdeck Composite Flooring

Dimond Flatdeck Composite Flooring

Flatdeck Composite Flooring is manufactured in Auckland.

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Dimond Flatdeck Flooring

Flatdeck provides easy installation without the requirement for end caps, thinner concrete slabs over longer spans and a flat soffit suitable for use as an exposed ceiling. Flatdeck is manufactured by roll forming G550, Z200 Galvanised Steel in either 0.75mm or 0.95mm thick material and forms a composite Steel/Concrete Floor System, which provides both permanent formwork and positive tensile reinforcement in one way reinforced concrete slab construction.

General Installation

The placing and fixing of Dimond Flooring Systems is carried out by specialist flooring installers, who lay the flooring sheets and weld shear connectors through into the supporting beams using specialised equipment. 

For a list of recommended installers of Dimond flooring systems in your area, please contact your local Dimond Sales Centre.

Dimond flooring installation can also be carried out by construction companies and builders. In this case connectors are either pre-welded to steel beams in the fabricator’s workshop or welded on-site. 

On site through deck welded shear connectors using the longest practical sheet lengths is the preferred method based on efficiency gains in both design and construction.


Handling & Storage

Correct handling and storage is critical to ensure the Dimond Flooring System is not damaged on site. The following points must be adhered to for maximum product durability and performance over the expected life of the product. 

  • A visual inspection should be carried out, when delivery is taken on site, of all the material supplied to ensure the product is free from damage and the galvanised coating is in good condition.
  • Damaged product resulting in a distorted or buckled section shape must not be installed and must be replaced.
  • Site storage must be clear of the ground on dunnage to allow the free movement of air around each bundle. When product is stored on site, it must be kept dry using covers over each product bundle.
  • Wear protective gloves when handling the product. Treat all cut edges as sharp.
  • Product must always be lifted when moved and not dragged as damage to the galvanised coating will occur.
  • For practical on-site handling, a sheet length of 13m can be handled by two people. Longer sheet lengths can be manufactured.
  • Bundle labels should be checked to ensure the correct lengths are placed in the designated area. 
  • Where there are multiple bundles in the same area, care should be taken that all bundles are orientated the same way. This will ensure that male and female side laps fit together correctly avoiding the need to rotate sheets.
  • • Where the underside appearance of the Dimond flooring is important (e.g. Dimond flooring used as an exposed ceiling), care should be taken during the construction phase to minimise damage or deflections to the underside. Self-drilling screws should be used in place of crimping where underside appearance is important.
  • • When ordering Dimond flooring, it is critical that sheet lengths match the type of span designed for. For example for an unpropped 0.75mm Hibond slab of 120mm overall thickness with beams laid out at 2.80m centres, a minimum sheet length of approximately 5.60m is required to achieve a double span. (If 2.80m sheet lengths are used, the Hibond formwork will fail. For a Hibond slab of 120mm overall thickness, a single span of 2.50m is the maximum achievable without propping.)
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