White External Trim for 5mm and 6mm Wall Panels

Sleek & Smooth Finish for External Corners
The White External Trim (5/6mm) is the perfect solution for creating a clean, professional finish at external corners where wall panels meet. Its pure white finish offers a timeless, minimalistic look that complements a wide variety of interior styles, from modern to classic.
Perfect Fit for 5mm & 6mm Wall Panels
This trim is specifically designed to fit 5mm and 6mm thick wall panels, ensuring a seamless and precise fit. It securely covers external corners, enhancing the overall aesthetics of your space while providing long-lasting durability.
Durable & Easy to Install
Crafted from high-quality, moisture-resistant materials, the White External Trim is ideal for high-moisture areas such as bathrooms, kitchens, and wet rooms. Its easy-to-use push-fit design makes installation a breeze, perfect for both DIY projects and professional use.
✅ Clean, white finish that suits any decor
✅ Compatible with both 5mm and 6mm wall panels
✅ Designed for external 90° corners
✅ Water-resistant and built to last
✅ Quick, hassle-free installation
Add a Polished Look to Your Space
Whether you’re renovating a bathroom or updating a kitchen, the White External Trim (5/6mm) offers the perfect combination of practicality and style. Achieve a sleek, polished look with minimal effort.
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 white 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 white 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 white 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 white 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 white 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 white 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 white 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 white external trim is a quick job.
At a glance
- Suits: 5mm and 6mm wall panels
- Use: external 90° corners
- Colour: pure white
- Material: moisture-resistant
- Fitting: push-fit design
White 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 moisture-resistant and suits bathrooms, kitchens and wet rooms.
Is it easy to fit? Yes, it has a push-fit design for DIY and professional use.
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 PVC.

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