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How to Re-Seal Caravan and Motorhome Trims

Using silicone sealant to re-seal the joints of your caravan or motor home

Difficulty: Easy

 

If there’s a gap between the joints of your caravan where the silicone sealant has separated, this tutorial can help you re-seal the gap, reducing noise and vibration as well as protecting against water and dust penetration. All products in this tutorial are listed at the bottom of the article.

 

Step 1: Preparing Your Joints

It is important that you use disposable gloves for this job as sealants may irritate your skin.

You should always work with a clean surface. Use methylated spirits or alcohol with blue roll along the trims to remove any dirt and grime. If there is any flaking or old sealant already on the trims, you may want to remove it with a plastic scraper. However, if the existing sealant is in good shape, you can just put the new sealant over it.

 

Step 2: Applying Sealant to Your Joints

Use a caulking gun to apply sealant. You should pipe the sealant close to the joint, adding more when and if needed, the less sealant the easier it will be to clean up. Too much sealant may make the process messier and waste sealant.

Wet a microfibre cloth thoroughly and wring it out. Wipe down excess sealant in a smooth motion along the joint to get a seam. Alternatively, you could use a wet gloved finger to wipe the sealant away, cleaning that off on a rag.

Leave the sealant to dry to complete your new re-sealed caravan joints.

 

Products Used In This Tutorial

Disposable Gloves

Colad Black Nitrile Gloves Medium (Box of 60)

or

Colad Black Nitrile Gloves Large (Box of 60)

or

Colad Black Nitrile Gloves Xlarge (Box of 60)

 

Blue Roll

2-Ply Centre Feed Paper (Single Roll)

or

General Purpose Blue Paper Wipe (Pack of 6)

 

Plastic Scraper

Wide use plastic scrapers, pack of 10 - by Grove

 

Microfibre Cloth

Farecla Finishing Cloth (Pack of 3)

or

3M Microfibre Detailing Cloth

 

Silicone Sealant

3M Polyurethane Seam Sealer Sachet, 600 ml

or

Sikaflex 512 Caravan Adhesive Sealer White, 300ml - by Grove

 

Silicone Sealant

3M MS Universal Sealer Gun, Pneumatic