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23 May 2025

Replacing a caravan window yourself

Q: How do I measure a complex window shape?

Use a flexible tape measure to measure complex shapes accurately. For more precision, you can create a DXF file and upload it to our site. That way, you can order a perfectly fitting window.

Q: Why choose a size 3 mm smaller?

Plastic can expand or contract with temperature changes. By allowing a 3 mm tolerance, you prevent stresses and cracks, ensuring your window stays in top condition, in both summer and winter.

Q: Is acrylic suitable for caravan windows?

Absolutely! Acrylic is light and clear, an excellent replacement for glass. Remember to order the window slightly smaller for the perfect fit in the frame.

Q: How do I clean acrylic or polycarbonate?

Use an anti-static cleaner to keep your window clean. This ensures you always have a clear view.

Q: Can I order special shapes as well?

Yes, at PlasticSheetsShop you can order fully customised shapes. Our sheet calculator makes it simple to input the shape and size. With our automatic cutting service, we make exactly what you need.

An article from ourArjen de Vos

About Arjen de Vos

Caravan windows provide light and fresh air, but damage from stone chips or wear and tear can sometimes occur. Don’t worry! We’ve put together an easy-to-follow guide to help you carry out your own caravan window replacement. Whether you choose acrylic or polycarbonate, we’ll help you through the process in detail. Use our sheet calculator to order your window to fit perfectly. Let’s get going!

DIY time

+/- 1.5 hours

Level

Medium

Acrylic or Polycarbonate Sheet

Tools

Screwdriver
Tape measure
Utility knife
Anti-static cleaner
Anti-static cloth

Other requirements

Window rubber

1) Determine the type of window

Start with a thorough investigation of your current window. Check if the window is mounted on tracks and whether spacers are used. Write down essential details like dimensions, thickness of the glass, and special shapes. This information is crucial for correctly ordering your new window.

2) Remove the old window

Before you start, loosen the spacers and store the screws safely to prevent losing them. Then, lift the old window upwards out of the tracks and, if necessary, carefully lift it out of the track with help. Be extra cautious with older caravans to avoid further damage.

3) Measure and order the new window

Measure the old window precisely. Don’t forget to leave an extra 3 mm room around for a good fit. Use the sheet calculator to enter precise dimensions and account for screw holes or notches if needed. Choose acrylic for clarity or polycarbonate for more sturdiness.

Sheet configurator

Order this sheet to size via our configurator.

Order customised

4) Check and replace the window rubber

Inspect the window rubber for cracks or ageing. If you need to replace it, measure the old profile and order exactly the same variant and length. Carefully press the new rubber into the groove and trim any excess material with a sharp knife for a tidy finish.

5) Fit the new window

Check that the new window fits neatly into the opening before you start fitting it. Leave the protective film partially on to prevent scratches; only remove the part that goes into the tracks. Carefully place the window into the tracks to avoid damage. Secure the spacers firmly and then fully remove the protective film. Finally, clean the window with an anti-static cleaner and cloth.

Tips and tricks

Consider polycarbonate for the best vibration resistance when travelling. Allow room for temperature fluctuations by ordering your window slightly smaller. It’s advisable to work with someone when lifting and fitting the window; it makes the task simpler and safer.

Tips and tricks

Frequently Asked Questions

How do I measure a complex window shape?

Why choose a size 3 mm smaller?

Is acrylic suitable for caravan windows?

How do I clean acrylic or polycarbonate?

Can I order special shapes as well?

At PlasticSheetsShop, we are passionate about fully customised plastic solutions. Our online sheet calculator helps you find the perfect sheet for caravan windows.

Arjen de VosArjen de Vos, a product expert and seasoned DIY specialist, brings a wealth of experience in interior construction to his role at Plasticsheetsshop. With over a decade of expertise in interior design and furniture making, he stands out as a versatile and knowledgeable professional in his field.

About Arjen de Vos