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NGP gasketing product, also referred to as weatherstripping products, are designed to seal the opening between door and door frames. National Guard Products offers a wide variety of choices to customers with their gasketing purchases. These options include materials, finish, colors, flame resistances, moisture resistances, installation methods, and so forth. Automatic door bottom 320S is designed for hollow metal doors and is fitted with two 125in silicone seals, which seal the gap under doors. The gasketing products covered in this EPD include 320S and 335S. All values in this EPD are for the representative product 320S, chosen due to it having the highest sales of both included products. The impacts of the other product mentioned are within ±10% of the representative product’s impact.