Warning: This repair is structural but not as strong as new. For a crack longer than 6 inches (150mm), replace the window. A missing chunk of plastic cannot be glued back invisibly, but you can create a clear "lens" over the hole.
This comprehensive guide will walk you through the anatomy of caravan windows, diagnosis of damage, step-by-step repair methods, and when to throw in the towel and buy new. Before you touch a repair kit, you must know what you are fixing. Modern caravans predominantly use two types of plastics:
Using a syringe (with a needle), inject Tensol 12 into the crack. Capillary action will pull the glue in. The glue chemically welds the acrylic back together. caravan window repair
Use a fresh razor blade to shave the excess resin flush with the window surface.
At the very end of the crack (the pointy tip), drill a 2mm hole. This circular hole distributes stress and prevents the crack from traveling further. Warning: This repair is structural but not as strong as new
The crack will now be sealed, but a visible line remains. Follow the "Polishing Method" above to blend the line into the surrounding area.
Drill two tiny 2mm holes at the bottom edge of the window frame (one at the lowest point, one an inch away). This allows the moisture to evaporate out. Insert a desiccant packet into one hole with a syringe. Seal holes with silicone. Result: Clear window, but no insulation. This comprehensive guide will walk you through the
Use isopropyl alcohol and compressed air (or a hairdryer on cool) to blast dust out of the crack.