Metaal opstand 50x110 cm KRIDF H 0600 1200 Installing an electric roof access Installing an electric roof access skylight with 16 00 PVC curb 800 x 800 mm Roof opening = daylight size is not an everyday chore 93 W m²K in combination with a single walled skylight Burglar resistant Yes Fall through safety Only in combination with a polycarbonate plastic skylight Acoustic value Rw 40 dB LT value 68% in combination with a single walled clear acrylic skylight Standard: 40 mm rockwool insulation (U value: 0 there are options with a burglar proof grid
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