Responsive Navbar

TATA Roof Deck D46

900 cover width

AVAILABLE IN PLAN OR COLOURCOAT FINISHES

PLAIN OR COLOURCOAT

TATA Roof Deck D46

The D46 Roof Profile is engineered for superior performance in roofing applications. This profile supports spans of up to 2-3.5 metres, making it an excellent choice for larger commercial structures.

By utilising overlapping sheets, the D46 achieves robust load-bearing capabilities, accommodating loadings of up to 3.0 kN/m². The profile's durable finish, combined with optional colourcoat aesthetics, ensures long-lasting appeal. Its enhanced acoustic performance, featuring perforated edges and profile fillers, minimises sound transmission, making it suitable for urban environments.

Access detailed technical manuals for more information, and contact us for customised load calculations to meet your specific project requirements.

Watch this short video for a quick explanation!

  • Durable finish, combined with optional colour coat aesthetics, ensures the profile is long-lasting.

  • Material Sustainability

    Recyclability: Steel components are 100% recyclable at the end of life.

  • Able to withstand coastal, chemical, and humid condition without the need for maintenance.

  • Acoustic insulation, enhanced by perforated edges and profile fillers, helping to reduce noise and improve interior comfort.

  • Aesthetically pleasing finish that complements various architectural styles and provides a clean, attractive finish.

  • Eliminates ceiling cost entirely while delivering acoustic performance-especially in cost-sensitive projects like education and retail.

  • Easy to handle for safer onsite logistics.

DESIGNED FOR

CONSTRUCTION PROJECTS

Features

Depth: 46mm

Cover width: 900mm

Pitch: 225mm

Trough width: 67mm

Overall flange: 105mm narrow, wider broad flange option

Bearing width: 100mm on purlin

Benefits

Material Options

Steel S220: 0.70mm thickness

Steel S280: 0.70mm, 0.90mm, 1.16mm

Aluminium Rp0.2 165: 0.90mm, 1.20mm

Pre-finished: Colorcoat HPS200 Ultra (single or double-sided)

Load & Deflection

Imposed load: Span/200 deflection limit

Wind suction: Span/150 deflection limit

Internal web shear: 34–88 kN/m solid (varies by material and gauge)

End shear capacity: 4–14 kN/m for bearing connection design

Perforated Variant (4546)

Hole size: 4.5mm diameter

Triangular centres: 6.3mm

Open area: 46% of web, 10.7% of soffit

Absorption: Effective with acoustic insulation above

Spans: 3.00–3.40m typical (check properties)

Installation & Jointing

Side laps and end laps: Self-drilling screw fastening

Bearing fasteners: 2–4 screws per support, depending on design

Speed of fix: Typical rates 8–12 m² per person per day

Site preparation: Minor; minimal handling damage risk

Applications

Building Types and Applications

The D32S system is ideally suited for lightweight commercial applications:

Lightweight commercial buildings

Industrial facilities with purlin systems

Educational buildings

Retail and office developments

Applications requiring economical shallow profiles

Span Range: 1.2m to 2.8m for typical applications

TECHNICAL SPECIFICATION

Technical

Environmental & Compliance

Fully recyclable steel and aluminium

BRAAM and BRE environmental data available

Complies with BS EN 14994 and relevant building standards

Pre-finished options: VOC-compliant paint systems

For information, please download our datasheet, or click here

ENQUIRY HERE

9 Gaol Lane, Sudbury, Suffolk, CO10 1JL

Monday - Friday 7.30am - 4.00pm

Saturday - Sunday - CLOSED

© 2026 RMD Profiles. All rights reserved. Privacy Policy

Trusted by UK contractors — Get a fast quote in 24 hours.

REQUEST A QUOTE CALL NOW: 01787 275 055