sash window draught proofing No Further a Mystery
C – Parting bead. There are 2 parting beads positioned on both sides with the sash box, working vertically from major to base in between the sashes. Every single 50 % section of the Ventrolla parting bead has a draught-proofing program that faces the adjacent sash, forming a snug weather conditions seal. Windows can commonly be locked ajar,