We utilized them for secondary double glazing on quality 2 stated crittall windows and are delighted with the outcomes. Actually appealing do the job references in heritage windows and highly recommend them. Argon, xenon, or krypton are the commonest types of gases useful for double glazed windows. These gases https://semiflushceilinglights88775.blogdigy.com/5-simple-statements-about-secondary-glazing-windows-explained-51998200