SMD SR158 Roof Deck
Roof deck

Description

Deck profile typically used as the structural deck for single ply membrane, double skin built-up, standing seam, green roof and asphalt systems. 

Benefits

• Provides uncluttered soffit when designed as part of a diaphragm roof

• Perforated option available for enhanced acoustic performance

• Bespoke lifting aid available for ease of installation

• In addition to the standard galvanized steel, Aluminium option is also available where durability is a concern in aggressive environments.

Gauges

• 0.75mm (Steel)

• 0.88mm (Steel)

• 1.00mm (Steel / Aluminium)

• 1.25mm (Steel / Aluminium)

• 1.50mm (Steel / Aluminium)

Specification

• 750mm cover width

• 158mm deep

• Available with perforated webs providing 15 to 35% perforation, depending on pattern.

Steel Grade

• S320

• Aluminium 180 MPa

SMD SR158 Roof deck

Coatings and Finishes

• Galvanised Steel

• Galvanised Steel with interior liner coating

• Aluminium

• Perforated

Profile Properties

Top Flange in Compression                     Bottom Flange in Compression

Product Code,
Material & Option
Nominal
Thickness mm
Weight
kg/m²
Weight
kN/m²
TF Moment
Capacity kNm/m
TF Moment of
Inertia cm⁴/m
BF Moment
Capacity kNm/m
BF Moment of
Inertia cm⁴/m


SR158
(Steel)
0.7511.780.11614.80426.9512.42436.44
0.8813.820.13618.60519.3815.89527.79
1.0015.710.15422.24603.0219.55603.01
1.2519.630.19329.78759.6126.49759.60
1.5023.560.23137.14916.0131.94916.01
Roof Deck
SR158
PERFORATED
(Steel)
0.7511.780.11614.68422.0912.03429.22
0.8813.820.13618.47513.3615.66520.30
1.0015.710.15422.03595.9319.21594.46
1.2519.630.19329.50750.6725.77748.83
1.5023.560.23136.77905.2331.08903.00

SR158A
(Aluminium)
1.005.660.0569.90566.488.36593.77
1.257.080.06913.68743.3011.78772.39
1.508.490.08317.36916.2915.38939.60
roof deck
SR158AP
PERFORATED
(Aluminium)
1.005.660.0569.52549.137.60559.96
1.257.080.06913.27720.0810.75732.20
1.508.490.08316.91887.2614.04893.07

Section properties are calculated assisted by testing in accordance with Eurocode 3. 

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