What Are Design Pressure (DP) Ratings for Windows?
What Are Design Pressure (DP) Ratings for Windows? When shopping for replacement windows, you’ve probably heard terms like U-Factor, Solar Heat Gain Coefficient (SHGC), and Air Infiltration Rating. While these ratings measure energy efficiency and comfort, another specification is just as important when it comes to the long-term durability of a window: Design Pressure (DP) …
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