HIBOND 55

BMT
  • 0.75
    0.95
Weight/m
  • 5.3kg
    6.7kg
Steel Grade (MPa)
  • G550
Min. Zinc Weight (g/m2)
  • Z 275
Max. Manufactured Length
  • 18m
Components
  • End Cap
    Closure Strip
    Edge Form
DIMST Hibond 55 Flooring 3
OVERVIEW

Overview

Hibond 55 is a composite steel flooring system that has been successfully used in a wide variety of commercial and residential applications for over thirty years. It is a proven performer in the three key areas of strength, reliability and economy. Hibond 55 is a versatile, lightweight system that delivers rapid and cost-effective installation saving on construction time.


Design

Hibond 55 is a 55mm deep trapezoidal flooring profile used as a lightweight flooring solution. Designed in accordance with the procedures and load combinations in BS 5950 based on detailed analysis and comprehensive physical testing.

Materials and Components

Hibond 55 is roll-formed from high strength zinc-coated steel coil to AS1397, available in 0.75mm and 0.95mm thicknesses. Hibond 55 is supplied with a range compatible components including End Caps, Edge Form and Rake Cut Edge Flashings.

Material Specification

Material Specification

Dimond Hibond 55 and accessories are manufactured from galvanised steel coil produced to AS 1397.

Thickness
BMT (mm)
Steel Grade
(MPa)
Min. Zinc Weight
(g/m2)
Hibond 55 sheet
Thickness
BMT (mm)
0.75 & 0.95
Steel Grade
(MPa)
G550
Min. Zinc Weight
(g/m2)
Z 275
End cap
Thickness
BMT (mm)
0.55
Steel Grade
(MPa)
G250
Min. Zinc Weight
(g/m2)
Z 275
Closure strip
Thickness
BMT (mm)
0.55
Steel Grade
(MPa)
G250
Min. Zinc Weight
(g/m2)
Z 275
Edge form
Thickness
BMT (mm)
1.15
Steel Grade
(MPa)
G250
Min. Zinc Weight
(g/m2)
Z 275

BMT - Base Metal Thickness

Tolerances

Length -0mm +10mm
Cover width -1mm +5mm
Maximum manufactured length of Hibond 55 sheet: 18m

Components

Components

Edge Form

Manufactured from 1.15mm Base Metal Thickness (BMT) galvanised steel in 6m lengths, providing an edge to screed the concrete to the correct composite floor slab thickness.

Standard sizes are from 110mm to 200mm in 10mm height increments.

The foot of the Edge Form is typically fixed to structure using powder-actuated fasteners (self-drilling screws can also be used, type dependent on support material and thickness).

Where necessary, for example cantilevered steel decking sheets, the foot of the Edge Form may be attached to the Hibond 55 sheets with 10g - 16 x 16mm self-drilling screws. Fasteners are required every pan to steel decking sheet ends and at 750mm centres along the steel decking sheets.

Edge Form Support Strap

Edge Form is restrained from outward movement during concrete placement by 0.75mm BMT x 25mm galvanised steel Edge Form Support Straps. Fastened with 10g - 16 x 16mm self-drilling screws (2 per strap), Edge Form Support Straps are required every second rib to steel decking sheet ends and at 750mm centres along the steel decking sheets.

End Caps

Manufactured from 0.55mm BMT galvanised steel, end caps are used to blank off the ribs (to prevent concrete leakage) at the end of each Hibond 55 sheet, or where openings are created in the deck. Each End Cap is fixed to the Hibond 55 sheet with 1 fastener atop each rib (10g - 16 x 16mm self-drilling screw).

Rake Cut Edge Flashings

Manufactured from 0.55mm BMT galvanised steel in 55mm x 30mm x 3m lengths which are cut to suit on-site (as shown).

Rake cut edge flashings are used in place of end caps to close off the end of Hibond 55 sheets when they are cut on an angle or curve. These are cut to length and fixed to the Hibond 55 sheet with 1 fastener atop each rib (10g - 16 x 16mm self-drilling screw).

Design

Specific Design

The Hibond 55 Flooring System has been designed to comply with BS 5950 using the relevant load combinations therein and the relevant clauses of the New Zealand Building Code. Detailed analysis and comprehensive physical testing have enabled load/span tables to be established using the limit states design philosophy.

Data presented in the Flooring Design Manual is intended for use by structural engineers. Use of the Hibond 55 Flooring System in applications other than uniformly distributed loads or outside the scope of this section will require specific design.

A design yield strength of 550MPa for 0.75mm base metal thickness (BMT) Hibond 55 and 520MPa for 0.95mm BMT Hibond 55 has been used.

A minimum 28-day compressive strength of 25MPa for high-grade concrete has been assumed.

A minimum Hibond 55 composite floor slab thickness of 110mm has been used in this section, in accordance with BS 5950.

The self-weight of the Hibond 55 Flooring System (including the concrete) has been included in the load tables.


For full design considerations, refer to 3.4.2 Hibond 55 Design Considerations in Flooring Design Manual

Load Span Tables

Load Span Tables

Download Hibond 55 Load Span Tables

Click to downloadUpdated May 2020
DURABILITY

Flooring Systems Durability

View Dimond Structural Flooring Systems durability statement

CAD Details

Relevant Product CAD Details

Below you will find all of the relevant product CAD technical details in .dwg, .pdf & .rvt format.


If you have any questions regarding the details below please contact one of our technical team on 0800 550 660

Download all .dwg filesLast updated March 2020
Download all .pdf filesLast updated May 2020
Flooring Design Manual
Material Specification
Section Properties
Acoustics
Installation