Infinity Park 2

QuadCoreTopdek Membrane
Roof System


Single Ply Membrane Roof System

Topdek is a single component, factory pre-engineered roof deck, comprising a high performance single-ply PVC / TPE membrane with insulation and a trapezoidal steel deck. 
1. Suitable for flat and pitched roofs above 1:80 (0.72°) after deflection.
2. Suitable curved roof applications with a convex curve (45m radius) and concave curve (50m radius).
3.  Topdek can eliminate the need for valley-hip and boundary wall gutters.
4. Available in lengths of up to 16m.
5. Airtightness 3m3/hr/m2 airtightness certainty at 50Pa
RW Profile Roof Dimensions_Technical_RW_Aus

System Accessories & Services

Dedicated Technical Support is available throughout the building cycle, pre- and post-manufacture.
Contact us for complimentary services including: U Value/ Condensation risk calculation, project specific NBS specifications, bespoke construction detail, advice on fire & acoustic performance, panel spans, fastener & roof drainage calculations, optimised lighting designs, building energy modelling & CITB-backed Installation Training.

Featured Projects

Build Speed

Topdek reduces costly roofing delays by installing your steel deck, insulation core and weather membrane in a single operation. This means buildings become weathertight faster and installers spend less time on the roof helping improve safety and manage project costs.

Technical Information

Kingspan Topdek Datasheet

Kingspan Topdek Installation Guide

Kingspan Product Selector Brochure

  • Profile: Flat single-ply PVC / TPE membrane, with optional standing seam aesthetic
  • Fixing detail: Secret-fix appearance
  • Metal type: N/A
  • Colours: PVC / TPE membranes
  • Application: Flat and pitched roofs above 1:80 (0.72º) after deflection, and curved roof with a convex curve (45m radius) and concave curve (50m radius). Please note that a KS1000 TD Curved NBS Specification is available from the Kingspan Technical Department
  • Lengths: From 1.5m to 16m
  • Cover width: 1000mm
  • Environmental rating: May be Green Guide A+ rated, subject to project specific assessment
  • Fire rating: LPCB, FM approved
  • Air Leakage: 3m3/hr/m2 airtightness certainty at 50Pa
  • Product compatibility: Integrates with Kingspan Safety solutions and Kingspan Roof Mounted PV System and is compatible with common lighting solutions such as dome, pyramid and atrium
  • Type of membrane: PVC (Polyvinyl Chloride) / TPE (Thermoplastic Elastomer)

The external and internal faces of the panel to be Class 0 in accordance with the Building Regulations when tested to BS 476: Part 6: 2009 and Part 7: 1997. The panel is rated FAA or FAC (depending on membrane used) when tested to BS 476: Part 3: 2004.
This FIREsafe system has passed all the requirements of LPS 1181: 2005: Part 1: Issue 3, ceiling lining tests by the Loss Prevention Certification Board (LPCB) certified to LPS 1181 Grade EXT – B and FM approval to FMRS 4471.
This ECOsafe system may achieve a Green Guide A+ rating and is subject to project specific assessments.

External Coating Brochure

Kingspan External Colour & Coating Brochure 2017

Kingspan Insulated Panels introduces a new guarantee scheme - the Ultimate Panel Guarantee. In a single unique package, it covers the performance of insulated panels and ancillary products in the following areas:

  • Coating performance - up to 40 years
  • Fire performance - up to 25 years
  • Thermal performance - up to 25 years
  • Structural performance - up to 25 years
  • Acoustic performance - up to 25 years

CAD Details

Topdek Roof Panels - CAD Details

Kingspan Topdek CAD DWG

Kingspan Topdek CAD PDF

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