5mm Black Internal Corner Trim

The 5mm Black Internal Corner Trim is an essential finishing piece for any bathroom or kitchen wall panel installation. Designed to conceal and seal 90° internal joins, it keeps your walls looking tidy while protecting against water ingress and mould.

Constructed from durable PVC, this trim combines flexibility with strength and features a smooth black surface for a contemporary edge. It’s quick to install using silicone adhesive, offering an efficient and low-maintenance solution for lasting results.

Product Features:

• Material: Durable, waterproof PVC
• Colour: Black – bold and sophisticated for modern interiors
• Panel Compatibility: Fits all 5mm bathroom wall panels
• Purpose: Seals internal joins and conceals rough edges
• Waterproof protection: Prevents leaks and mould growth
• Length: 2600 mm (per trim)
• Easy installation: Fit using silicone adhesive – no grouting needed
• Low maintenance: Wipe clean for effortless upkeep

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