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Painting old Double-glazing windows

• If your double-glazing has reached the stage where you can't seem to get it clean you may have to consider painting.
• Before you do, try cleaning it with WD-40 if it is uPVC.
• If you decide to paint first apply a coat of etching primer.
• International make a product called Brilliant White uPVC Gloss specially for double-glazing.

Step by Step

Step 1. Thoroughly wash down all of the window, including frame and glass, and dry carefully.

Step 2. Rub down the frame with wire wool or abrasive pad and dust or vacuum clean. Make sure any shininess has gone. The window should now look matt all over.

Step 3. Examine for any bits of damage. These are best repaired with car body filler, fibre glass or any proprietary two-pack filler.