Product SelectorSteel Floor & Roof Decking

SMDStructural Floor and Roof Solutions

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Regents Place, London40,000 sqm, Floor Decking

For product-specific data sheets or to download Elements® Design Software, which gives you the ability to prepare comprehensive design calculations, visit our website.

The right product, the right choiceThe floor and roof decking market offers a wide range of competitive products from various manufacturers. Choosing the correct one to suit your project needs can be confusing. With our comprehensive range of profiles, SMD have the experience, knowledge and expertise to help you decide.

When selecting the type of deck profile to use there are many factors that need to be considered. These include span, loadings, cost and speed of installation amongst others.

This guide provides a useful quick reference detailing product properties, typical spans and compares the strengths of each product (shown in the last five columns). The information included is only intended as a guide and is no substitution to talking directly to one of our Sales or Technical Teams, who will be able to assess in more depth the project specific requirements and most appropriate product.

If you need further help Contact our Technical team on 01202 718 898 or technical@smdltd.co.ukwww.smdltd.co.uk

Product Specification

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TABLE KEY *Cantilever values indicated for floor deck are governed by Health and Safety during installation. **The maximum span values in Table 8.1a are based on the following design criteria: Imposed Load of 1.5kN/m² or Line Load of 2kN/m, Partial Load Factor of 1.5 (considering all load as ‘Variable’), Imposed Load Deflection Limit of Span/200, Wind Uplift of 1.5kN/m², subject to appropriate fixings, Wind Uplift Deflection Limit of Span/90. ***The maximum cantilever figures indicated in this document are based on a point load of 0.9kN positioned at the end of the cantilever. ++Recommended maximum sheet lengths are limited due to site Health and Safety manual handling guidelines.

Based on slab depths of 175 - 130mm

Product Selector based on profile strengths (3 ticks being the strongest)

Floor Profiles Sectional Detail Steel Grade N/mm2

Available Coatings

Nominal Thickness

mmWeightkg/m2

Moment of Inertia cm4/m

Height of Neutral

Axis mm

Area of Steel

mm2/m

Concrete Volumem3/m2

Crushed Ends

Max. Single Span m

(unpropped)

Max. Double Span m

(unpropped)

Max. Recommended

Cantilever m (unpropped)*

Max. Recommended Sheet Length ++

Span Cost Speed Aesthetics Load

51

600 Cover Width

15040

137

R51S350 or S450 Galv. (Z275)

HD (ZM310) 0.9 12.90 62.3 16.9 1580(slab

depth/ 1000)

- 0.009No

2.3 - 2.6 2.7 - 3.0 0.45 10.0 ü ü üü üüü üüü

S350 or S450 Galv. (Z275)HD (ZM310) 1.0 14.35 71.0 16.9 1764 2.5 - 2.9 2.9 - 3.2 0.45 9.0 ü ü üü üüü üüü

S350 or S450 Galv. (Z275)HD (ZM310) 1.2 17.23 87.7 16.8 2131 2.6 - 3.1 3.2 - 3.5 0.45 7.5 ü ü üü üüü üüü

1000 Cover width

333

133

6012

158

TR60S350 or S450 Galv. (Z275)

HD (ZM310) 0.9 10.03 93.5 33.6 1216(slab

depth/ 1000)

- 0.034No

2.3 - 2.6 2.9 - 3.5 0.45 9.5 üü üüü üüü üü üü

S350 or S450 Galv. (Z275)HD (ZM310) 1.0 11.12 102.1 33.6 1355 2.5 - 2.9 3.1 - 3.8 0.45 8.5 üü üüü üüü üü üü

S350 or S450 Galv. (Z275)HD (ZM310) 1.2 13.33 119.8 33.7 1633 2.6 - 3.1 3.7 - 4.2 0.45 8.0 üü üüü üüü üü üü

122

600 Cover Width

300

8012

TR80S350 or S450 Galv. (Z275)

HD (ZM310) 0.9 11.33 172.9 42.3 1385(slab

depth/ 1000)

- 0.044Yes

3.4 - 3.8 3.7 - 4.2 0.45 11.0 üüü üü ü ü ü

S350 or S450 Galv. (Z275)HD (ZM310) 1.0 12.54 192.3 42.4 1539 3.6 - 4.1 4.0 - 4.5 0.45 10.5 üüü üü ü ü ü

S350 or S450 Galv. (Z275)HD (ZM310) 1.2 15.06 231.1 42.5 1860 3.9 - 4.3 4.5 - 5.1 0.45 9.5 üüü üü ü ü ü

Roof Profiles Sectional Detail Steel Grade N/mm2

Available Coatings

Nominal Thickness

mmWeightkg/m2

WeightkN/m2

Top Flange in Compression

Bottom Flange in Compression

Max. Recommended Sheet Length

++

Span Cost Speed Aesthetics LoadMoment Capacity

Moment of Inertia

Moment Capacity

Moment of Inertia

Max. Single span m**

Max. Double span m**

Max. Cantilever m***

S350 Galv. (Z275)White Liner (25μm) 0.7 6.66 0.07 1.45 6.2 1.54 9.5 1.49 1.77 0.30 12.0 ü üüü üüü üüü ü

S350 Galv. (Z275)White Liner (25μm) 0.9 8.57 0.09 2.19 8.8 2.18 13.2 1.68 1.99 0.35 10.0 ü üüü üüü üüü ü

900 Cover width

150

43

35

70

+

S350 Galv. (Z275)White Liner (25μm) 0.7 7.58 0.08 3.42 20.10 2.95 19.70 2.21 2.62 0.40 12.0 ü üüü üüü üüü ü

S350 Galv. (Z275)White Liner (25μm) 0.9 9.76 0.10 4.26 23.52 4.16 22.39 2.32 2.75 0.45 10.0 ü üüü üüü üüü ü

S350 Galv. (Z275)White Liner (25μm) 1.2 13.03 0.13 7.5 35.7 6.6 35.7 2.67 3.17 0.55 8.0 ü üüü üüü üüü ü

850 Cover width

213

63

60

100

+

S350 Galv. (Z275)White Liner (25μm) 0.7 8.02 0.08 4.15 58.20 4.93 52.2 3.15 3.74 0.70 12.0 üü üüü üüü üüü üü

S350 Galv. (Z275)White Liner (25μm) 0.9 10.33 0.10 5.61 68.75 7.4 60.98 3.28 3.88 0.80 10.0 üü üüü üüü üüü üü

S350 Galv. (Z275)White Liner (25μm) 1.2 13.8 0.14 11.01 107.30 10.97 106.80 3.86 4.58 0.95 8.0 üü üüü üüü üüü üü

720 Cover width

240

70

100

100

S350 Galv. (Z275)White Liner (25μm) 0.7 9.47 0.09 7.46 179.06 8.41 154.04 4.50 4.58 1.00 12.0 üü üü üü üü üü

S350 Galv. (Z275)White Liner (25μm) 0.9 12.2 0.12 11.62 211.30 10.74 196.21 4.85 5.70 1.13 9.0 üü üü üü üü üü

S350 Galv. (Z275)White Liner (25μm) 1.2 16.29 0.16 21.77 349.87 17.73 351.59 5.73 6.80 1.25 7.5 üü üü üü üü üü

930 Cover width

310

43267

137

143 167

+

S320 Galv. (Z275)White Liner (25μm) 0.75 9.71 0.10 9.66 271.13 8.17 262.59 5.30 5.25 1.15 10.0 üü üü üü üü üü

S320 Galv. (Z275)White Liner (25μm) 1.0 13 0.13 14.80 367.55 14.69 367.55 5.80 6.50 1.28 8.0 üü üü üü üü üü

S320 Galv. (Z275)White Liner (25μm) 1.25 16.2 0.16 20.60 463.08 20.75 463.10 6.30 7.75 1.40 6.5 üü üü üü üü üü

840 Cover width

280

41239

153

119 161

+

S320 Galv. (Z275)White Liner (25μm) 0.75 10.75 0.11 12.10 375.10 10.62 375.10 5.75 6.30 1.30 10.0 üüü ü üü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.0 14.33 0.14 23.00 507.00 18.30 507.00 6.50 7.75 1.38 8.0 üüü ü üü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.25 17.9 0.18 29.40 638.70 25.78 638.70 7.00 9.00 1.45 6.5 üüü ü üü üü üüü

750 Cover width

250

41209

158

119 131

+

S320 Galv. (Z275)White Liner (25μm) 0.75 12.04 0.12 13.20 446.00 12.83 446.00 6.25 6.75 1.25 10.0 üüü ü ü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.0 16.05 0.16 22.10 597.60 20.56 597.60 6.90 8.25 1.40 8.0 üüü ü ü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.25 20.00 0.20 27.80 759.30 27.00 759.30 7.45 9.00 1.55 6.5 üüü ü ü üü üüü

750 Cover width

375

73302

205

205 170

+

S320 Galv. (Z275)White Liner (25μm) 0.75 12.04 0.12 17.41 692.60 17.70 786.69 5.25 5.50 1.45 10.0 üüü ü ü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.0 16.05 0.16 26.70 984.00 26.85 1096.0 8.00 9.25 1.65 8.0 üüü ü ü üü üüü

S320 Galv. (Z275)White Liner (25μm) 1.25 19.63 0.20 35.73 1271.00 34.73 1385.0 8.75 10.75 1.85 6.5 üüü ü ü üü üüü

1000 Cover width

200

28

30

122

+

™

Product Selector

SMDStructural Floor and Roof Solutions

UK Tel: +44 (0) 1202 718898 UK Email: contactus@smdltd.co.uk

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www.smdltd.co.uk

Contact us today for a competitive quotationFor all your Technical guidance and requirements, please contact estimating@smdltd.co.uk or call 01202 718898, where our team will be happy to advise you.

• Fall Arrest Safety Systems – Safety Netting and Airbags

• Supply Only / Supply and Fix of Steel Floor Deck & Edge Shuttering

• Supply Only / Supply and Fix of Shear Studs (On site or Factory Fitted)

• Supply Only / Supply and Fix of Steel Roof Deck

• Ground and Upper Floor Concrete Slabs

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