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Q3 - 2025

Clear Polycarbonate Windows for Southerly 115 Yacht

Submitted byRon
1

Remove

Remove the old pane and write down the dimensions.
2

Cut

Cut the new polycarbonate sheet to size. Sand the edges and apply primer.
3

Sand

Sand and degrease the rebate. Tape off strategic areas.
4

Bend

Bend the pane, and clamp if necessary during gluing, using spacers for tension.
5

Finish

After drying, remove the spacers, protective film, and tape.

Supplies

Clear polycarbonate sheet 10 mm
Plexi-przezroczyste-1024x1024
Clear polycarbonate sheet 10 mm

Tools

  • Stanley knife
  • Sharp knife
  • Chisel
  • Jigsaw
  • Angle iron (guide saw)
  • Dremel with sanding attachment
  • Fine brushes for primer
  • Sealant gun
  • Plastic spatulas

Materials

  • Primer Sikaflex Primer 209 N, 2 x 30 ml
  • Marine adhesive Sikaflex-295 UV, 300ml
  • Painter’s tape
Ron’s tips for others
“Always wear protective gloves when working with Sikaflex. As the adhesive and primer are difficult to remove, it is essential to tape off anything that could come into contact with them. This project is not easy and requires a lot of time.”

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