25mm x 25mm Black External Corner Trim

The 25mm x 25mm Black External Corner Trim is the perfect choice for achieving a sophisticated, seamless finish at external wall corners. Its deep black tone adds contrast and depth, making it a striking addition to contemporary interiors.

Constructed from high-quality PVC, this trim offers 100% waterproof protection, preventing moisture and mould build-up in wet areas. It hides imperfections, protects panel edges, and ensures a professional result — all while being easy to install and maintain.

Product Features:

• Material: Waterproof, impact-resistant PVC
• Colour: Black – bold and versatile for modern designs
• Panel Compatibility: Suitable for 8mm wall and 10mm shower panels
• Dimensions: 25mm x 25mm (each side)
• Purpose: Covers and seals external panel joins for a neat finish
• Waterproof protection: Perfect for bathrooms, kitchens, and utility rooms
• Length: 2600mm (per trim)
• Installation: Use silicone adhesive for a quick, secure fix
• Low maintenance: Wipe clean to keep surfaces looking pristine

Learn more about choosing the right trims for your panels:
Read our guide → Types of Panel Trims