Aluminium Soffit Systems – Extruded Secret Fix Plank Soffit

Guttermaster’s Aluminium Soffit Systems feature an extruded secret-fix plank profile, providing a clean, flush appearance with no visible fixings. Engineered for long-lasting performance, this system is ideal for modern architectural applications where a streamlined, low-maintenance solution is essential.

Aluminium Soffit Systems Features:

  • Extruded Plank Design: Offers enhanced strength and dimensional accuracy over pressed alternatives.

  • Secret Fix Installation: All fixings are concealed behind the plank face, maintaining uninterrupted, smooth soffit lines.

  • Durable Construction: Manufactured from high-grade aluminium for outstanding corrosion resistance and longevity.

  • Custom Finishes: Polyester powder coated in a wide selection of RAL and BS colours, including textured and metallic effects.

  • Sustainable: Fully recyclable aluminium with minimal environmental impact and a long life cycle.

Aluminium Soffit System Applications:

Perfect for:

  • High-end residential developments

  • Commercial and public buildings

  • Industrial units and education facilities

  • Any project requiring durable, low-maintenance soffits with architectural appeal

Technical Information

Size Options

Aluminium Soffit Systems are supplied in standard 3,000mm lengths, ensuring consistency and ease of handling on-site. For projects with non-standard dimensions or unique design requirements, bespoke lengths ordered.

Accessories

To ensure seamless integration and continuity across the eaves, a full range of pre-fabricated accessories is available, including:

  • Internal and external corners

  • Apex angles for pitched roof transitions

These fully fabricated accessories are produced in-house and powder coated to match the soffit finish, saving time on site and maintaining a high-quality appearance throughout the installation.

Brackets

Where structural support is required, large soffit voids, full soffit support hanging systems can be supplied.

These brackets are engineered to provide robust support while remaining discreet, preserving the clean lines of the Aluminium Soffit system. They are compatible with a variety of fascia arrangements.

NBS Specifications on NBS Source

  • Technical Details: Comprehensive specifications for reliable project integration.
  • Material Information: Quality-assured materials for lasting performance.
  • Installation Guidelines: Clear instructions for optimised, efficient installation.

Finish Options

  • Powder Coated
  • Textured Heritage Powder Coating
  • Pre-coated
  • Anodised
  • Specialist Metal Finishes

Visit our download centre

  • System Details
  • Powder Coating Fire Test Report
  • Guttermaster Brochure
  • NBS Source

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Our aluminium column casings are available in square, elliptical, oval and traditional round profiles, our column casings can incorporate male/female assembly joints, decorative collars and rings as required.