Building envelope

Trimapanel® - PIR insulated architectural wall panels

Building Systems UK's (a Tata Steel enterprise) range of Trimapanel PIR insulated architectural wall panels provide the ability to create a simplistic design with a one piece component.

The Trimapanel® family includes a range of steel faced insulated architectural wall panels, from micro-rib to smooth finishes, providing attractive external aesthetics.

Trimapanel architectural wall panels are FM Approved providing architects, building contractors and developers with the assurance that products have been objectively tested and conform to the highest international standards. These approvals help with product specification and selection by ensuring products and systems are proven with extensive testing to perform as specified.

Rugby mill used Trimapanel insulated wall panels
dunelm tata steel construction wall facade
Lanswood Park, Colchester tata steel construction walling
JLR Body in White tata steel construction walling facade
Southmoor Park Industrial Estate refurbished warehouse using Trimapanel
JLR Trim & Final Assembly, Solihull used Trimapanel insulated wall panels
Product specification
Trimapanel® profile system range

EN-construction-Product-Trimapanel® micro-rib

Trimapanel micro-rib
Specification details for Trimapanel® micro-rib

EN-Construction-Overview of Trimapanel® micro-rib

trimapanel microrib tata steel construction

Insulated, secret-fix, flat panel for a modern architectural appearance.

Trimapanel® micro-rib is an insulated, secret-fix, flat architectural wall-cladding panel that is quick and easy to install for fast build times. Available in 70mm, 90mm and 120mm insulation thicknesses and bespoke lengths up to 12m to minimise waste and provide U-values down to 0.17W/m2K.

The range of sizes, shapes, and colours, and the extensive fabrication options, offers a design flexibility that enables architects to create unique and modern design solutions including vertical and horizontal panel installation.

The unique secret-fix joint design allows primary fixings to be hidden from view and, together with the micro-rib profile, provides flat external aesthetics.

If you have any questions or for further information click here to contact us.

Request a product sample

EN-Construction-Benefits of Trimapanel micro-rib


Provides modern, high-end aesthetics

  • Unique secret-fix joint design allows primary fixings to be hidden from view and, together with the micro-rib profile, provides flat external aesthetics.
  • Flexible design allows vertical and horizontal panel installation.
  • Available with a wide range of flashing options, ancillaries, integrated window, and fabricated corner and curved panel options.

Independent product verification for risk free specification

  • Third party validation of high standards of quality, thermal performance, fire safety, acoustic performance, air-tightness, water penetration and environmental credentials.
  • Approved to FM Class 4880 and 4881 to an unlimited wall height.
  • LPCB (Loss Prevention Certification Board) approval to LPS 1181 Part 1 helps reduce insurance premiums and assures reaction to fire performance.
  • Fire resistance performance of 15 mins insulation and 4 hours integrity achievable with enhanced fixing methods.
  • Manufactured in factory conditions operating to quality management standard BS EN ISO 9001:2015, environmental management standard BS EN ISO 14001: 2015 and occupational health and safety management scheme BS EN ISO 18001:2007.
  • Product specification and performance in accordance with BS EN 14509, European Product Standard for CE Marking.

Excellent sustainability credentials

  • Lower air permeability of the system reduces energy costs, carbon emission rates and facilitates compliance with Building Regulations (Part L2 & TH 6).
  • Full traceability of all component materials and certified ‘very good’ to BRE’s responsible sourcing standard BES 6001.

Performance guaranteed

Environmental Product Declarations

If you have any questions or for further information click here to contact us.

EN-Construction-System information of Trimapanel® micro-rib

System information

Basic technical data

Thickness (mm) 70, 90, 120
Maximum length (mm)   12000
Minimum length (mm)  
On-line 2400
Off-line 300
Weight based on thickness in mm (kg/m2)
70 11.89
90 12.67
120 13.85

*Panels ordered below the minimum on-line length will require off-line cutting and will be subject to a surcharge.


Panel manufacturing tolerances

Flatness (L = length of measurement between high points)
(L = length of measurement between
high points)
For L = 200mm, 0.6
For L = 400mm, 1.0
For L > 700mm, 1.5
Cover width (mm) +/- 2
Thickness (mm) +/- 2
Squareness (mm) < 6  
Length (mm) < 3m +/- 6
Length (mm) > 3m +/- 10

Tolerance is in accordance with BS EN 14509 

If you have any questions or for further information click here to contact us.

EN-Construction-Product-Trisomet | Platinum® Plus system guarantee

Platinum® Plus system guarantee

Our Platinum® Plus system guarantee offers coverage for 25 years. Simply fill in your project details using our easy-to-use online specification tool or contact us directly.

We understand that complex buildings need tailored solutions, so our online specification tool has been designed by our technical team to help you create the right specification to suit the needs of your project, making sure all roofing and cladding components listed and are compatible and perform as a system. It also stores all the specifications you create for ease of access in ‘my projects’.

Creating a Platinum® Plus specification give you free access to our technical team that will support you from design to completion – including those all-important final checks during installation.

Platinum® Plus incorporates only the highest quality components that are designed to do what they say but also provide you with unrivalled choice and flexibility in the specification of your building envelope. The many benefits and reassurance it provides is what sets it apart from all other guarantees, making it the number one choice for complete peace of mind to truly lower the cost of ownership throughout the life of the building.

View our interactive brochure to find out more or watch our video below


The Platinum Plus system guarantee needs to be registered by the specifier prior to the tender package being distributed. To find out more click here, alternatively please contact our technical team so that we can help you to guarantee the longevity of your building click here to contact us.