
Our trapezoidal roof panels are available in a range of core thicknesses to meet our customers' energy efficiency needs and to optimise the design solution.
Trisomet® insulated roof panels are manufactured as a single component in a variety of panel lengths to optimise speed of installation and minimise waste for a more sustainable construction.
Trisomet® insulated roof panels are third party validated to high standards of quality, thermal performance, fire safety, acoustic performance, air-tightness, water penetration and environmental credentials.
We offer a comprehensive range of profiles, built-up systems and structural roof deck, to meet all your roofing requirements.
The range includes standard trapezoidal profiles, standing seam systems and structural roof deck. Our systems can be tailored to meet your design requirements including fire resistance and acoustic performance.
Built-up roofs - Our site assembled Trisobuild® cladding systems are available in a range of profiles to meet your design and performance requirements including fire resistance and acoustic performance. The systems comprise of a Colorcoat® pre-finished steel trapezoidal liner profile, an Instaloc® Plus spacer system, a mineral wool insulation layer and a Colorcoat® pre-finished steel external weathering profile.
View our LPCB fire testing approval certificate here.
Standing seam - Colorcoat Urban® standing seam steel roof cladding systems are a lightweight, strong and versatile alternative to traditional building materials and are seven times lighter than standard roof tiles.
Structural roof decking & liner trays - We meet designers' needs for efficiency, aethestics and structural performance by offering a comprehensive portfolio of RoofDek profiles.
Manufactured in factory conditions operating to Quality Management standard BS EN ISO 9001:2015 and Environmental Management standard BS EN ISO 14001:2015 with full traceability, all our steel profile components are certified ‘Very Good’ to BRE’s responsible sourcing standard BES 6001.


Our portfolio of high quality steel roofing products are available as standard with Colorcoat® pre-finished steel, offering an extensive colour choice.
The Colorcoat® products are used globally for building envelope, roof and wall cladding systems in a wide range of industrial and commercial buildings, including warehousing, distribution and logistics, as well as schools, offices, retail and leisure applications amongst many others.
Colorcoat HPS200 Ultra® pre-finished steel provides super durability and corrosion resistance and Colorcoat Prisma® has a contemporary colour range that provides exceptional aesthetics and long term performance
Both products are covered by the Confidex® Guarantee for the weatherside of industrial and commercial buildings, offering long-term performance and assurance for up to 40 years. In addition they can be used under photovoltaic (PV) frame modules with no reduction in guarantee length ensuring all parts of the roof are covered for the same duration of the Confidex® Guarantee.
Roof resources:
EN-Construction-Brochure-Trisomet brochure
Trisomet® brochure
EN-construction-trisobuild specification and installation guide
Trisobuild® specification and installation guide
EN-Construction-Brochure-RoofDek manual
RoofDek manual
EN-Construction-Colour_cards-Colorcoat HPS200 Ultra® Colourcard
Colorcoat HPS200 Ultra® Colourcard

EN-Construction-Contact-BSUK envelope
Building Systems UK technical team - Building Envelope
