Black External Trim for 5mm and 6mm Wall Panels
Stylish Corner Finishing with a Bold Touch
The Black External Trim (5/6mm) offers a sleek and sophisticated way to finish external corners where wall panels meet. With its modern matte black finish, it adds a bold, high-contrast edge that complements a variety of contemporary interiors.
Perfect Compatibility with 5mm & 6mm Panels
Specially engineered to fit 5mm and 6mm thick wall panels, this trim ensures a snug and secure fit along external 90° angles. It provides a clean, professional finish that enhances the visual appeal of your panel installation.
Durable, Water-Resistant & Easy to Install
Made from high-quality, water-resistant materials, the Black External Trim is ideal for use in bathrooms, kitchens, and wet rooms. Its simple slot-in design makes it easy to install, making it an excellent choice for both DIYers and professional installers.
✅ Bold black finish for a modern look
✅ Designed for external 90° corners
✅ Compatible with 5mm and 6mm wall panels
✅ Moisture-resistant and long-lasting
✅ Quick and simple installation
Finish Your Space with Elegance and Edge
Whether you’re going for a monochrome theme or adding contrast to lighter panels, the Black External Trim (5/6mm) offers a striking final touch with both form and function.
Matching trim to panel
A trim is made for a set panel thickness, so check the thickness of your panels before you order: a trim made for thinner panels will not take a thicker one, and one made for thicker panels leaves a loose fit. Trims like the black external trim are listed with the panel thickness they suit.
Measuring up
Measure every corner, edge and join that needs a trim, and add a little extra for cutting. Plan corners so that cut ends sit out of sight where possible. A quick sketch of each wall makes it easy to see how much of the black external trim you need.
Cutting tips
A fine-toothed hacksaw gives a clean cut, and a mitre box helps where two trims meet at an angle. Smooth any rough edges with fine sandpaper or a file before fitting. Cut this way, trims like the black external trim fit neatly against the panels.
Fitting and sealing
Dry-fit the trim and panels together first. Use a suitable adhesive, and in wet areas run a thin bead of silicone sealant along the joint to keep water out. Fitted this way, trims like the black external trim protect the panel edges for years.
Cleaning and care
Wipe trims with a soft damp cloth and a little mild detergent. Avoid abrasive cleaners and scouring pads, which can scratch the surface. Cared for like this, trims like the black external trim keep their clean finish.
Why trims matter
Trims hide cut edges, cover small gaps and protect corners from knocks, and they help keep water away from the panel edges in wet areas. A few metres of a trim like the black external trim make a panel job look professional.
Choosing a finish
Chrome-effect trims add a bright accent that stands out against plain or dark panels and goes well with chrome taps and shower fittings. White trims blend in with light panels and keep the look simple, and black trims give a bold contrast against light panels or suit dark ones. Whichever you pick, a trim like the black external trim ties the room together.
Tools for the job
A tape measure, a pencil, a fine-toothed hacksaw, a mitre box, a sealant gun, adhesive and silicone sealant cover most trim jobs. Keep a damp cloth to hand to wipe away excess sealant before it sets. With these ready, fitting a trim like the black external trim is a quick job.
At a glance
- Suits: 5mm and 6mm wall panels
- Use: external 90° corners
- Colour: matte black
- Material: water-resistant
- Fitting: slot-in design
Black External Trim questions
Which panels does it fit? 5mm and 6mm thick wall panels.
Where does it go? On external 90° corners, where two panels meet.
Is it suitable for wet areas? Yes, it is water-resistant and suits bathrooms, kitchens and wet rooms.
What look does it give? A bold, high-contrast black edge, for a monochrome theme or against lighter panels.
Looking for more like this trim? Browse the full Accessories collection or the rest of the Wall Panels shop. To learn more, see this overview of decorative mouldings.
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