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. Continue reading
From the 1st July 2013 all construction products covered by a harmonised European Standard (hEN) will need to have a Declaration of Performance (DoP) made and be CE marked in accordance with the requirements of the hEN covering that product when placed on the market. The Declaration of Performance is a legal document, it will be policed by Trading Standards and any person making a false or incorrect declaration, may be subject to prosecution, which may result in fines or even imprisonment in the most extreme cases.
Condensation inside a double glazed window shows that the sealed unit has failed. Somewhere a point in the edge seal of the window has lost its integrity and is allowing water to get in. This is also known as ‘misting’ or ‘misted panels’. Continue reading