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Bondek Plus by Lysaght - Everything you need to know, the ultimate guide
5
Thursday, 25 January 2018 / Published in Blog, Building Supplies

BONDEK® Structural Decking & Ceiling Systems

BONDEK® FEATURES | EDGEFORM | SPAN TABLES | WHERE TO BUY | DOWNLOADS

BONDEK PLUS® profiled steel decking has been supporting concrete slab construction throughout Australia for a long time.

BONDEK PLUS® (usually referred to simply as Bondek or Bondek slab) is a rugged steel reinforcement system for concrete ceilings and decks.

Thanks to its innovative design, BONDEK PLUS® provides greater wide span support and deflection strength for concrete slab construction compared with other products.

Commercial Project Using the Lysaght Bondek structural deck

Lysaght BONDEK PLUS® has many innovative design features including:

• Superior strength thanks to patented embossments that ensure outstanding mechanical bond strength with concrete
• Wider span capacities due to specially designed ribs that increase lateral strength by 10%
• Minimal propping requirements offering efficiency and speed of construction and reduction in costs
• Anti glare coating reduces glare by at least 80% for the comfort and safety of construction workers

BONDEK PLUS® is ideal for concrete slab construction in residential, commercial, and civil infrastructure projects such as ceilings, balconies, car parks and garages.

The clean, elegant lines of BONDEK® provide a smart looking ceiling but adding alternative finishes or suspended ceilings are perfectly straightforward options also.

No 1. Roofing and Building Supplies is one of Sydney’s most respected BONDEK® suppliers and we can supply all your BONDEK® needs.

Bondek Plus by Lysaght

What Makes BONDEK® So Good?

Lysaght BONDEK® is a highly efficient, versatile and robust formwork reinforcement option.

BONDEK PLUS® is the profile steel sheeting most widely accepted by the building and construction industry and offers installation efficiency, and significant savings on concrete and reinforcement costs.

BONDEK PLUS® works as composite slab with a dual function as a robust formwork reinforcement and ceiling system for concrete slabs in the building and construction industry.

Innovative design ensures optimal performance where it matters.

The innovative dovetail ribs increase lateral strength by 10% and significantly reduce the possibility of bending and deformation of sheets.

BONDEK PLUS® comes in a variety of thicknesses: 0.60mm 0.75mm, and 1.00mm and provide 550MPa of yield stress strength.

This inherent strength means BONDEK® offers top of the class spanning capacities.

Lysaght Bondek Plus Profile Specification

Embossed ribs at 200mm centres add to the structural and bonding strength with the concrete. The embossed ribs also increase worker safety with the enhanced surface grip reducing the possibility of workers slipping.

Superior galvanising in accordance with AS1397:2001 means your BONDEK PLUS® steel is going to look good and stay strong for many years. Like all Bluescope Steel products, BONDEK® is covered by an extensive warranty.

BONDEK® provides a really smart surface finish to the underside of concrete slabs without the need for further treatment or, alternatively, other finishes such as vermiculite plaster can be applied.

We can also supply BONDEK® with a pre-painted Britewite soffit finish.

Plasterboard or suspended ceilings are also straightforward options that can be easily applied to BONDEK PLUS® panels.

The superior strength of BONDEK PLUS® requires fewer temporary reinforcement props during the concrete pour and setting phase. Having the correct number and positioning of reinforcement props is particularly important to avoid excessive ponding of the concrete and undue stress and decking deflection.

The actual number of props required will depend on panel thickness, span width, and concrete slab depth but the BONDEK®’s reduced prop requirements means faster installation and lower install costs compared to other steel deck panels.

Remember to leave the props in place until the concrete has attained at least 75% of its 28-day strength.

BONDEK® Edgeform

Lysaght Bondek Plus Edgeform

BONDEK® Edgeform makes the whole job of pouring your concrete to a uniform level so much easier and gives the finished product a really neat professional finish.

Edgeform is simple to install, being shot-fired to steel supports or the BONDEK® panels themselves with additional strapping riveted in place at 600mm centres to support the top edge.

At No1. Roofing and Building Supplies we manufacture BONDEK® Edgeform in-house and can meet all your custom design requirements quickly and without any fuss.

What are the Spanning Capabilities of BONDEK®?

BONDEK PLUS® has been designed as a versatile and robust composite slab with an optimal spanning capacity for single slabs and continuous slab construction.

Spanning capacity depends on a number of factors including:

  • Span type
  • Panel thickness
  • Concrete slab depth and type

With a single panel covering 600mm, potential unsupported spans may range from 2m up to 3.6m and up to 9m in specific supported settings.

Lysaght

Long panel runs also reduce installation costs.

Remember to check engineers’ specifications when drilling holes for pipework or wiring, as any holes can result in a considerable strength reduction through the slab.

General guidelines for drilling holes are as follows:

  • Holes should be round
  • And in the centre of the pan, a minimum of 15mm from the edge
  • With a maximum diameter of 150mm

BONDEK® is widely accepted by the building and construction industry as the gold standard in permanent formwork that combines minimal propping requirements with reduced concrete demands.

Recent projects where BONDEK® has contributed to massive cost savings range from a $7 million Queensland college campus build that required some 1,350 square metres of BONDEK® to an $80 million Sydney retail centre.

SPAN TABLES – LYSAGHT BONDEK PLUS®

0.60 BMT BONDEK PLUS®

Sheets continuous over single slab span (Span Table 1)
Maximum slab spans, mm – Formwork deflections limits L/240 (Visual appearance important)

Span Table 1

Slab depth D (mm)

0.60 BMT BONDEK PLUS®

 No of props per span 0 1 2
 100 2000 [4800] [7000]
 110 2000 [4800] [7000]
 120 1950 [4800] [7000]
 130 1900 [4800] [6900]
 140 1850 4550 [6650]
 150 1800 4300 [6400]
 160 1750 4100 [6200]
 170 1700 3900 [6000]
 180 1650 3700 5800
 190 1600 3550 5600
 200 1600 3400 5300
 210 1550 3300 5150
 220 1550 2900 4950
 230 1500 2850 4450
 240 1450 2750 4300
 250 1450 4700 4200

0.75 BMT BONDEK PLUS®

Sheets continuous over single slab span (Span Table 2)
Maximum slab spans, mm – Formwork deflections limits L/240 (Visual appearance important)

Span Table 2

Slab depth D (mm)

0.75 BMT BONDEK PLUS®

 No of props per span 0 1 2
 100 2250 [5950] [8250]
 110 2200 [5750] [8000]
 120 2150 [5600] [7800]
 130 2100 [5500] [7600]
 140 2050 [5350] [7400]
 150 1950 [5250] [7200]
 160 1900 5100 [6950]
 170 1850 5000 [6750]
 180 1850 4850 [6550]
 190 1800 4750 6350
 200 1750 4600 6200
 210 1700 4500 6050
 220 1700 4400 5900
 230 1650 4300 5750
 240 1600 4200 5600
 250 1600 4150 5500

1.0 BMT BONDEK PLUS®

Sheets continuous over single slab span (Span Table 3)
Maximum slab spans, mm – Formwork deflections limits L/240 (Visual appearance important)

Span Table 3

Slab depth D (mm)

0.75 BMT BONDEK PLUS®

 No of props per span 0 1 2
 100 2450 [6500] [9000]
 110 2400 [6300] [8750]
 120 2350 [6150] [8550]
 130 2250 [6000] [8300]
 140 2200 [5850] [8150]
 150 2200 [5750] [7950]
 160 2150 [5650] [7800]
 170 2100 5500 [7650]
 180 2050 5400 [7550]
 190 2000 5350 [7400]
 200 2000 5250 [7200]
 210 1950 5150 7000
 220 1900 5100 6850
 230 1850 5000 6700
 240 1850 4950 6550
 250 1800 4850 6400

No1. Roofing and Building Supplies the Best BONDEK® Suppliers in Sydney

Order your BONDEK® profiled steel decking from No1. Roofing and Building Supplies and you can have the confidence that you are buying from one of Sydney’s most reputable building and construction suppliers.

Many builders buy their Lysaght BONDEK PLUS® steel decking in standard lengths, which they then cut to size for your project onsite. This is a highly inefficient, haphazard, and costly way of getting the job done.

We can cut lengths to your requirements and have the sheets delivered to your site within two days, saving you both time and money.

Here at No1. Roofing and Building Supplies we have the technical expertise to calculate all the spanning requirements for your job.

This is another area where we can potentially save you time and money because most BONDEK® re-sellers will need to redirect your inquiry to the supplier with a lengthy and costly delay while you wait for a response.

Lysaght BONDEK PLUS® has been a big part of some of Australia’s most important civil and commercial construction projects.

Join with No 1. Roofing and Building Supplies and let us show you how Australia’s most trusted steel deck for concrete slabs can transform your build.

DOWNLOAD TECHNICAL SPECIFICATIONS & MANUALS
  • LYSAGHT BONDEK PLUS™ User Guide
    • PDF (0.8 MB). Last updated 15 Jun 2017
  • LYSAGHT BONDEK PLUS® 2P User and Installation Guide
    • PDF (0.9 MB). Last updated 15 Jun 2017
Tagged under: bondek, bondek plus, ceilings, concrete slab, decks, edgeform, lysaght, slab, spanning, suppliers, Sydney

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