Window U Value Chart
Window U Value Chart . Our Origin aluminium products provide the following typical U-Values on windows and approximate Window Energy Ratings (WER's) with the following glass specifications. R-Value: the amount of heat retained by the window. Soundproof Windows Energy Savings and Insulation Values (Louisa Perkins) R-Value: the amount of heat retained by the window. The lower the U-value the better the insulation properties of the aluminium window - the better it is at keeping the heat or cold out. R-value is the insulative value to resist heat flow, the higher the number the better. A U-value calculated by us should be sufficient to satisfy the requirements of Building Regulations. The measure of heat resistance of the glass is implies a measure of This tool provides some of the most common options on windows and doors and related NFRC certified values. Windows and Doors Presentation