TOP GUIDELINES OF SASH WINDOW DRAUGHT PROOFING

For those who’re setting up brand new sash windows there are lots of sorts of glazing to take into account. To begin with, there’s typical double glazing, that has two panes of glass with sealed cavity along with a minimum amount thickness of 20mm plus a most of 28mm.The sash twine attaches the window sash into a counterweight hidden in the win