Skylux 160° CE met koepel en polyester opstand 30 20 met LM motor 1000 x 2300 mm KOPV1600 0 0750 1250 Installing an electric roof access Installing an electric roof access skylight with 30 20 PVC curb 800 x 2200 mm Please note Is this electric roof access with 30 20 PVC curb 1000 x 1900 mm Please note 90 73 63 20 Double walled Opal (A D) 2 17 49 59 Heatstop PC Double walled Clear (T H) 2