Select from a large array of single, double, or triple mobile shades for different levels of insulation. Calculated sizes to the floor on the 15mm recess while in the Sekosnap are 800mm x 600mm and 700mm x 1000mm. What measurement would you advise I ought to get of 3mm thick https://exteriorcopperlightfixtur35178.blogthisbiz.com/41518293/getting-my-secondary-glazing-to-work