The Swingline system is an attractive rounded design with balanced proportions. The glazing bead flush with the sash surface and a 5-chamber profile with a frame width of 70 mm ensure high insulating properties and reduce noise and heat loss.
product features:
renowned German 5-chamber profile
excellent thermal insulation and effective noise suppression (excellent heat transfer coefficient U = 1.2 to 1.3 W / m2K)