Inexpensive, small aluminium profile, of indisputed elegance. This profile is a variation of ALC1N; the difference is the high density polyurethane foam (320 kg/m3 in controlled expansion). Suitable for utilization with mini boxes. Excellent compromise between necessity of robustness and minimum encumbrance in alternative to 8 x 37 mm profiles. Moreover, the high density polyurethane considerably strenghtens the profile insofar it ensures a safe warranty in case of violent hailstorms.Thi product requires special side plugs with screws.