Drill the holes about four cm deep. When all holes happen to be pre-drilled, cleanse the window with anti-static cloth and anti-static cleaner and swap it using the duct tape. If you find yourself setting up your secondary glazing, contemplate deciding on laminated glass or toughened glass, both of which https://spencerjharh.izrablog.com/27351230/new-step-by-step-map-for-thermal-insulation-secondary-glazing