Aluminium secondary glazing is particularly created to further improve thermal security by as many as sixty%. It is meant to keep the heat in when preventing chilly draughts from getting into your house. The extra insulation gap reduces the quantity of warmth transfer from inside of to outside the house. https://hard-skin-on-feet50194.blogdigy.com/everything-about-thermal-insulation-hyde-park-secondary-glazing-40752236