Heritage/Royale Windows : Polyamide - Superior Thermal Efficiency

Our aluminium products are all designed for the future. All of our aluminium door systems have long since been upgraded to a superior polyamide thermally break barrier as opposed to the old Resin thermal break barrier still used in some window and door systems.

The Polyamide gives at least a 30% improvement to all thermal efficiency and Uw figures on a typical window (1480 x 1230mm). It is these superior polyamide thermally broken aluminium profiles that have enabled us to produce an aluminium 'A' Rated window system.

What's The Difference Between Polyamide & Resin Break

Polyamide Superior Thermal Efficiency Diagram

On the left is a technical drawing showing an old resin thermal break barrier next to, and surpassed by, the polyamide thermally broken profile.

On the right you can see a technical drawing showing a superior polyamide thermal break barrier. As you can see at a first glance it is a lot larger barrier and has an air gap in it that is similar to the thermal chambers in PVCu windows.

Advantages Of Polyamide Thermal Break Over Resin Thermal Break

  • Meets the building regulations for NEW BUILD jobs ( now and in october 2010 when more stringent regulations come into force).

  • Polyamide has a much improved thermal performance i.e. at least a 30% improvement in Uw figures on a typical window (1480 x 1230mm).

  • Ability to have larger thermal barrier i.e. Polyamide strips of up to 30mm compared with 5/6mm PU resin thermal break.

  • Dual colour options far easier and cheaper to achieve with polyamide i.e. individual sections can be painted before assembly.

  • Increased flexibility (Hybrid Sections) - using Premium window sections can be used in a number of combinations.

  • Polyamide has similar mechanical properties to aluminium i.e. assembled profiles retain their rigidity and have far greater strength.

  • Has the same heat coefficient as aluminium (melting point, etc.) so it does not crack or distort when subject to extreme cold or heat.

  • Resin gives off poisonous gases when it melts or ignites in the event of a fire.

  • Polyamide is a fibreglass compound which means that it can bend without cracking, and can easily produce curved and arched windows. (Resin becomes weakend and tends to splinter under the tensile strain)

  • Much reduced risk of condensation / fogged up sealed units.
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