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Gradient flat roof insulation products are suitable for a range of applications to ensure buildings remain protected against the elements for the long-term comfort and wellbeing of the occupants.

Eurothane Eurodeck

A high performance PIR foam insulation board for use in warm flat roofs under mechanically fixed single-ply membrane waterproofing systems.


Deck VQ: super-slim insulation which maximises thermal performance in limited space applications.

Powerdeck F

Powerdeck F: a high-strength PIR boards with excellent thermal performance.

Powerdeck U

A PIR foam board with a unique bituminous facing, suitable for torch-on, built up felt and bitumen compatible single-ply membrane waterproofing systems.


Plylok®: a PIR board for warm flat roofs and single-ply waterproofing systems.

Available in a wide range of thicknesses, with low thermal conductivities and high compression strengths, our high-performance insulation boards assist in meeting the required thermal regulations in refurbishment and new build projects.

From mineral wool to PIR, XPS insulation to bitumen-faced systems, the variety of materials Gradient are able to supply means customers are being spoilt for choice when it comes to delivering a solution that is specifically designed to keep a roof warm and dry. Furthermore, depending on design, our tapered roof insulation systems are ideal for a variety of flat roof applications including built-up felt, torch on felt, mastic asphalt and single-ply membranes.

Bespoke benefits of selecting Gradient’s high performance insulation board

Thanks to our technical team’s expertise and the flat roofing materials at our disposal, we are able to design a tapered scheme based on high-performance insulation board that offers the very best value for money. In terms of refurbishment, roof costs vary from project-to-project. Engaging with a company such as Gradient, which has spent more than 35 years supplying industry-leading tapered insulation boards for flat roof schemes, ensures the specified flat roof solutions are installed to last. It’s an outcome that is a cost-effective benefit itself, as it eliminates the need for further maintenance visits and optimises a roof’s thermal performance, thus reducing fuel costs for the homeowner and limiting the amount of CO2 emissions being released into the environment.

Along with supplying a wide range of tried-and-trusted flat roof solutions and tapered roof insulation panel schemes including torch-on felt applications, Gradient offers a high level of tapered roof support as part of its celebrated turnkey customer service provision. It has led to us gaining an enviable reputation throughout the industry as a partner to be relied upon to deliver tapered roof insulation projects to the highest standard regardless of size or complexity.

We listen to our customers; whichever direction they want their project to take we will accompany them every step of the way. Our design and client service teams’ commitment to excellence, combined with the high-performance insulation board we manufacture, makes Gradient the number one choice when it comes to delivering a flat roof solution that is tapered to your precise needs. Gradient flat roof insulation products supply your building with a proven solution to the issue of thermally-inefficient roofs which are susceptible to ponding and water damage. In doing so, we also provide our customers with long-term peace of mind.

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