Are you considering changing your doors and windows to save energy, but you don’t know which material to choose? Wood, PVC, aluminum and even steel, you should know that these materials all have a different U value. U value (or Ug) designates the thermal conductivity of an insulating material. This means that it gives an idea of the amount of heat lost. The lower this U value, the more effective the insulating material! So what place to choose for your doors and windows?
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Wood
Known and recognized for its insulating properties, wood is no exception to the rule when it comes to doors and windows. Simple and authentic, it will bring a little warmth to your interior. The value of its insulation depends on the type of wood as well as its thickness. In a general way, its U value is between 0.8 and 0.63 W / m²K, which makes it a particularly efficient and insulating material. You can also opt for composite, but the cost is a bit higher than that of wood.
PVC
PVC, a slightly cheaper material, also has a good level of insulation. Besides, his U-value is between 1.2 and 0.78 W / m²K. Regarding windows, its insulating properties may change depending on the amount of air voids in the profiles. Indeed, it is these air spaces inside the frame that will act as insulation. Nevertheless, care must be taken to choose the best possible quality. In fact, low-end PVC has little resistance to climatic hazards.
Aluminum
Very elegant and design aluminum comes in 3rd position with a very nice score also since her U-value is 1.5 – 0.8 W / m²K. As with PVC, it is the amount of air space that will determine the level of insulation in windows. Aluminum doors or windows will provide a definitely modern look to your interior!
Stainless steel
Window frames or steel doors have on average a U value of 2.6 – 1.9 W / m²K. Their advantage is that stainless steel is 100% recyclable! Just like aluminum, stainless steel gives a modern and sleek touch to your home.
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