Secondary glazing is converting your present windows from single glazing to a sort of double glazing. This really is completed by incorporating a second layer (usually very clear acrylic instead of glass) to your windows. Nevertheless the thermal conductivity of insulation products is a critical factor in efficiency, a number https://jacquesr975hcu3.jts-blog.com/33570346/the-smart-trick-of-double-glazing-that-nobody-is-discussing