Door Seals and Aerodynamics: How a Tight EPDM Weatherstrip Reduces Wind Drag on Highway Trips
2026-09-22 11:01:41When most people think about fuel economy, they think about engine tuning, tire pressure, and aerodynamic add-ons like side skirts and trailer tails. Few think about door seals. Yet a cracked or poorly fitted EPDM weather...
MORE +How Long Should an EPDM Weatherstrip Last? Service Life Expectations for Box Truck, Container, and Re
2026-09-22 11:00:43How long should a new EPDM weatherstrip last? It is the question every fleet buyer, container lessor, and passenger car owner asks before spending money on a replacement, and the honest answer depends on four things: the ...
MORE +How to Test a Door Seal: Smoke, Paper, Hose, and Pressure Methods for EPDM Weatherstrip
2026-09-22 10:59:50Once a new EPDM weatherstrip has been installed, how do you know it actually seals? Visual inspection alone is not enough, because a strip can look properly seated while still leaving a hairline gap that leaks water and w...
MORE +Winter Door Seal Maintenance: Why EPDM Weatherstrip Keeps Working When PVC Turns Hard
2026-09-22 10:58:54Winter is the season that separates a cheap door seal from a good one. When the thermometer drops below freezing, PVC rubber automotive seals turn stiff, lose their compression, and stop sealing. EPDM weatherstrip, by con...
MORE +EPDM Weatherstrip Colors: Why Black, White, and Two-Tone Seals Matter for Fleet and Retail
2026-09-22 10:57:52When most people think of rubber weatherstrips, they picture black. Black EPDM is indeed the default color for most automotive and commercial door seals because carbon black is added to the compound as a UV stabilizer and...
MORE +Passenger Car Door Noise and Weatherstrip: How EPDM Seals Quiet the Cabin at Highway Speed
2026-09-22 10:56:57Wind noise is one of the first things drivers notice when a car has aged. At sixty, eighty, or a hundred kilometers an hour, a faint whistle starts around the A-pillar or the door mirror, grows louder with speed, and make...
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