1mm Aluminium Soffit – Internal Joiner | Type 1

Connect your soffit panels seamlessly with our 1 mm aluminium soffit internal joiner (Type 1) — a precision-engineered component designed to create a continuous, watertight line across soffit installations.

Manufactured from lightweight yet durable aluminium, this internal joiner provides structural stability and a clean visual finish between adjoining soffit panels.

Whether you’re working on a residential property or a large-scale commercial project, it’s a simple, effective way to achieve a long-lasting, professional result.

Key Features

• 1 mm architectural-grade aluminium – lightweight, strong, and corrosion-resistant
• Internal joiner design – creates smooth, hidden joints between soffit panels
• Compatible with aluminium soffit systems – ensures a perfect fit and uniform finish
• Powder-coated finish – available in any RAL colour to match fascia and cladding
• Quick-fit profile – makes installation faster and easier on site
• Low maintenance – resists warping, fading, and weathering over time
• Manufactured in the UK – precision-made with consistent quality and fast turnaround

Why You’ll Love It

This internal joiner is all about clean lines and practical performance. It hides joints between soffit panels for a smooth, unbroken appearance — ideal for modern façades, roof eaves, and balcony soffits.

Its 1 mm aluminium construction offers the perfect balance of lightness and strength, resisting corrosion while maintaining a premium powder-coated finish that lasts for years.

With universal compatibility across OMS aluminium soffit systems, it’s the perfect detail to complete your installation with confidence.

What does an aluminium soffit internal joiner do?
It connects soffit panels internally to form a smooth, continuous line and prevent visible gaps.

Is 1 mm aluminium strong enough?
Yes, it’s lightweight but durable, providing reliable stability while resisting corrosion and deformation.

Can it be used outdoors?
Absolutely. It’s fully weather-resistant and ideal for UK conditions year-round.

Do you offer colour-matched finishes?
Yes, available in any RAL colour to match your fascia or gutter system for a coordinated look.

Is installation easy?
Yes. The joiner simply slots between panels using OMS’s soffit system for a tight, secure, and clean finish.

UK-made 1 mm aluminium soffit internal joiner Type 1. Seamlessly connects soffit panels with a durable, colour-matched, weather-resistant finish.