Metaal opstand 110x230 cm Version:M25 (25 cm high) Is this Skylux openable iDome Is this Skylux openable iDome with PVC curb 20 00 EP with LED & insect screen 0900 x 0900 mm the product you are looking for maintenance free base that permanently eliminates heat loss and thermal bridges Standard: 40 mm rockwool insulation (U value: 0 there are options with a burglar proof grid