Why is there Condensation on the Outside of My Window?

Why is there condensation on the outside of my window? This is a question we get this time of year. People get concerned when they wake up to see condensation has built up outside their windows overnight and think there is something wrong, when in fact it means something is very right! It means super …

Window Energy Ratings

U-Value in Glazing Explained

What is U-Value? When it comes to windows, doors and conservatories you will hear the term U-Value quite a lot, but what does it actually mean? U-Value is a way of measuring the thermal efficiency of a material/product such as windows, doors, walls ect. The lower the U-Value the better insulated the material is. U-value …