Comar 5Pi Therm-L+

Comar Architectural Aluminium Systems constantly look for ways to not just meet
but exceed current and future market requirements and Comar 5Pi Therm-L+
does just that. A new generation in thermal efficiency, the Comar 5Pi Therm-L+
window has been designed to provide a high thermal performance solution
for todays residential and commercial buildings and continues to demonstrate
Comar’s innovative approach to the design of aluminium products.

Features and benefits

  • The combination of bespoke polyamides and a highly thermal efficient injected foam core result in superior aesthetics and outstanding thermal performance, without any need for compromise
  • Will easily comply with the expected changes to the Future Homes and Future Buildings standards
  • Being tested to PAS 24:2022, with tried and tested shoot bolt lock, ensures the highest level of reassurance to the homeowner or building owner
  • Integrates seamlessly with our Comar 5Pi Therm-L+ Tilt/Turn and 7Pi Therm-L+ Door systems, providing a multitude of design options
  • Made from 70% recycled aluminium and 100% recyclable at end of life

Technical specification

  • Profiles are thermally broken with ‘rolled in’ low lambda polyamide profiles with the addition of a high thermal efficient injected foam
  • Available as top and side hung open out casements and multights incorporating fixed lights
  • 5Pi Therm-L+ has been designed to meet the demands for windows with very low U-values. U-values as low as 1.0w/ m2k with double glazing & 0.67w/m2k with triple glazing
  • Embodied carbon as low as 2.0 kgCO2e/Kg of aluminium
  • 98mm outer frame
  • Sightlines 104mm Casement window and 60mm fixed light
  • Larger sizes are achievable subject to wind loading. Please contact our Technical Department to discuss your project
  • For full details refer to the fabrication manuals
Comar 5Pi Therm-L+

Performance & Testing

  • Weather tested to BS6735: Part 1
  • Operation & strength tested to BS6735: Part 2
  • Additional performance characteristics to BS6375: Part 3
  • Security tested PAS24: 2022
  • In addition, the window system conforms to recognised industry standards as adopted by Centre for Windows & Doors (CWCT) and trade associations such as the Council for Aluminium in Building (CAB)

Finishes and colours

  • Available anodized or polyester powder coated
  • Grey 7016, Black 9005 and Hipca white as standard
  • Other RAL colours on short lead times
  • Dual colour option available


  • Suitable for use on all residential and commercial buildings