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TARC Double Lock

A well known and traditional technique that has become an international standard. Suitable for low-pitched roofs down to 3 degrees, which makes it ideal for harsh climates with snowfall, strong winds and heavy rains.

It offers maximum design flexibility, straight or curved, radial or arched. Its high upstand gives roofs elegant depth and shading. It is uniquely designed to account for thermal movement and provide excellent weather tightness.

Key Features
  • Pitch >3°
  • Width: 305mm-610mm
  • Seam height: 38mm
  • Standard 610mm coil forms a 515mm wide tray centre to centre
Metal Roofing
Scope of Use
  • Suitable for low-pitched roofs down to 3 degrees
Specification Clause/Guide
Installation Details
Alternative Ridge and Hip Detail for Notched Ridges
Alternative Valley for Roofs over 25 Degree Pitch
Drip Edge Flashing Detail
Gable End Side Barge Detail
Gable End Side Drip Barge Detail
Ridge and Hip Detail
Standard Dropped Valley Detail

The Architectural Roofing Company are specialists in architectural tray roofing and aluminium cladding.

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