Little Known Facts About sash window draught proofing.
C – Parting bead. There's two parting beads positioned on each side from the sash box, jogging vertically from best to bottom amongst the sashes. Each individual fifty percent portion of a Ventrolla parting bead is made up of a draught-proofing system that faces the adjacent sash, forming a snug weather seal. By buying draught-proofing, you