WHAT DOES SASH WINDOWS MEAN?

window - a framework of Wooden or metal which contains a glass windowpane which is developed right into a wall or roof to admit light-weight or airC – Parting bead. There are 2 parting beads positioned on both sides of the sash box, working vertically from major to bottom concerning the sashes. Each 50 % portion of a Ventrolla parting bead has