THE ULTIMATE GUIDE TO SASH WINDOWS

Sash Twine Channel Sealing: At the rear of the Conference rails, cords can permit little drafts. Slender neoprene pads may be additional just higher than the rail junction, sealing the flow with no jamming the motion.Glass Pane: Here is the real glass in the middle. Some sashes have one pane, while some have two or more for far better insulation.Si