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Why Design Pressure Matters More Than Price for Coastal Windows
Why Design Pressure Is The Number That Matters Most people shop windows by price first, yet for a house near the water the more important question is whether the unit can handle the wind load it will actually see. Design pressure, or DP, is the rating that shows how well a window can stand up to wind loads without bowing, leaking, or failing. On a barrier island, the window is not just a piece of glass. It is part of the structure that has to survive wind, rain, de
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