System 5-20 TS

Thermally Broken Tilt & Slide Door

The Metal Technology Thermally Broken Tilt & Slide Door has been designed to offer the specifier slim slight lines, a high level of weather performance and the advantages of polyamide thermal break technology in meeting the latest thermal requirements of the current building regulations.

Performance Overview

Weather Performance

Independently Weather Performance Tested to BS 6375-1.

Air Infiltration BS EN 1026 Class 4
Watertightness BS EN 1027 Class 4
Wind Resistance BS EN:12211 E2400

Thermal Performance

The Metal Technology 5-20TS Door System, in conjunction with the correct glass specification, is designed to aid compliance with the latest thermal requirements of the current building regulations.


Aluminium profiles are extruded from aluminium alloy 6060T6, T5 or T4 complying with the recommendations of BS EN 12020-2 / BS EN 755 Parts 1-9. Polyamide thermal breaks are produced from glass reinforced nylon sections designed to withstand temperatures in excess of 200°C, allowing the sections to be powder coated after thermal breaking.


Frame members are mitre cut at 45°, corners are reinforced with extruded aluminium crimping cleats and corner braces. A secure joint is formed by pneumatically crimping into the extruded crimping cleat. Mullion and transom bars are square cut shaped and fixed securely to the frame by means of stainless steel screws and fixing cleats. All frame joints are sealed during construction against entry of water. Extruded weatherstrips and glazing gaskets are provided to resist the ingress of water.


The range of sections can be provided in either of the following ranges of finishes:

  1. Anodised to BS 1615 or BS 3987 or BS EN 12373-1
  2. Powder organic coated to BS 6496 or BS EN 12206-1

Metal Technology's powder coating is produced to Qualicoat standards.


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