Select from a significant variety of one, double, or triple mobile shades for various amounts of insulation. With several different thicknesses offered in Axgard Secondary Glazing Sheets, you will discover a number of selections dependant upon your spending plan. A 3mm polycarbonate sheet is the best sheet to use for secondary glazing. https://gunnerkbnzj.ampedpages.com/glazing-system-can-be-fun-for-anyone-61677518