Skylux piramide acrylaat lichtkoepel 3 wandig pmma helder pmma helder pmma helder 1000 x 2000 mm KTZON04 IW2 L 0400 1300 Installing an electric roof access Installing an electric roof access skylight with polyester curb 30 00 & iWindow2 flat roof window 1400 x 1400 mm Roof opening = daylight size is not an everyday chore With the PVC Curb 100x130 cm