The Flat Roofing Shop
Metal Edge Trim Connector and Corner
Metal Edge Trim Connector and Corner
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Dual-Purpose Joining Clip & 90° Corner Detail
These universal metal edge trim connectors are designed to join and form corners with our universal metal edge trims used on EPDM rubber roofing systems. They provide a simple, professional way to connect trim lengths or create clean 90° external corners without bending the metal trim itself.
Available in 75mm, 100mm and 150mm sizes to match corresponding universal metal edge trims.
What They’re Used For ▸
- Joining two lengths of universal metal edge trim
- Forming a 90° external corner detail
- Maintaining alignment across roof perimeters
- Creating consistent, professional trim detailing
Not a waterproofing component – the EPDM membrane provides the waterproof layer. These connectors align and support the metal trim sections.
Why They Matter ▸
Trying to bend edge trims for corners can lead to distortion, cracking of the coating, or uneven lines. Using a dedicated connector:
- Keeps perimeter runs straight
- Creates a clean 90° trim junction
- Reduces stress on the trim coating
- Improves overall finish quality
It’s a small component that makes a visible difference on completion.
Installation Overview ▸
As a Joining Clip:
- Slot the connector behind the first trim section approximately halfway.
- Leave the exposed receptor edge ready to accept the next trim length.
- Slide the adjoining trim into position and fix as normal.
As a 90° Corner:
- Rotate the connector 90 degrees.
- Slot it behind the trim at the corner edge.
- The formed receptor edge allows the adjoining trim to slot in at a clean right angle.
Technical Specification ▸
Sizes Available: 75mm / 100mm / 150mm
Length: 98mm
Width: 40mm
Compatibility: Universal metal edge trims (matching sizes)
Use: Perimeter trim joining and corner detailing
A Roofer’s Perspective ▸
They save time on site. Instead of trying to crease or bend trims neatly, you get a consistent corner every time. On longer runs, they keep everything aligned and looking sharp.
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