Skylux 160° CE met koepel en polyester opstand 50 20 met dubbele LM motor iDome 1000 x 2000 mm KOPV2000 0 1000 2500 Is this electric roof access Is this electric roof access with PVC curb 20 00 & iDome hybrid skylight 1100 x 1100 mm Roof opening = daylight size the solution you are looking for Roof opening = 900 x 1700 mm the solution you are looking for single walled) Insulation value (Ug value) 0 62% in combination with a single walled opal acrylic skylight