SASH WINDOW DRAUGHT PROOFING - AN OVERVIEW

C – Parting bead. There are two parting beads positioned on both sides on the sash box, operating vertically from top to base in between the sashes. Each and every 50 % part of a Ventrolla parting bead has a draught-proofing program that faces the adjacent sash, forming a cosy weather seal. By investing in draught-proofing, you’ll not only