Take your roofing
project to the next level.

Single Component,
Factory Pre-engineered

  • Fully compliant with all relevant building regulations
  • High-performance PVC or TPE membrane
  • Closed cell structure – no risk of interstitial moisture
  • ‘One step fix’ fastener for easy installation
  • Foamcore technology with U-values as low as .15W/m2K


Install in half the time.

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.

Key Benefits

  • Significantly reduces build times, especially on larger surfaces
  • Made to measure and arrives cut to size in lengths from 1.5 to 16 metres.
  • Includes Kingspan's self-coring, ’one step fix’ fastener solution.


One System. One Delivery.

With Topdek, installing a high-performance roofing solution is easy. One product from one manufacturer means materials arrive ready to install, with no need to coordinate the delivery of multiple components.

Key Benefits

  • Roofing specifications can be handled with a single phone call.
  • One component, one delivery.
  • Thinner and lighter than traditional built-up systems.

Introducing Topdek

The Topdek system - which is available with compatible Kingspan rooflights, gutters, flashings and solar PV panels - is supported by our expert technical design team. Watch this video to find out more.



Industry-leading roofing system.

Topdek is covered by the Kingspan Ultimate Panel Guarantee, which covers thermal and structural performance, as well as the external membrane of the product in a single package for up to 30 years.

Key Benefits

  • Zero moisture ingress and no risk of interstitial condensation.
  • Excellent fire,thermal and air leakage performance with U-values as low as .15W/m2K.
  • Flexible, durable and resists damage caused by walking on the roof or installation.

See Our Brochure

Topdek is suitable for a wide range of roofing projects and offers you unbeatable speed, simplicity and performance. For more information, download our latest product brochure.

Download PDF

Coming soon

Topdek will soon be available with IPN-QuadCore, a new insulated panel core from Kingspan, created by our R&D team using a bespoke hybrid technology with a unique microcell formulation. IPN-QuadCore delivers superior performance in 4 key areas.

Find Out More

Book a CPD

Through Kingspan Academy we are developing a series of professional installer training sessions, as well as a programme of informative Chartered Professional Development (CPD) seminars.

To register your interest in arranging one of our CPD seminars at your practice, or to attend a factory tour, please get in touch.

Register Now

Find Out More

Kingspan guarantees the structural and thermal performance of your Topdek roof system (inc. membrane) for up to 30 years. Topdek undergoes rigorous factory testing – meaning you can’t top the peace of mind offered by its excellent fire, structural, thermal, air leakage and weather performance.

Complete the contact form and we'll be in touch to discuss your requirements.

Contact Us