Heavy-Duty Sealing for Harsh Environments
When your build demands maximum protection, the Large ‘D’ Seal from Dunn & Watson delivers. It’s designed for sealing large gaps on doors, lids, or tailgates exposed to rough terrain, frequent use, and weather extremes. This thick-profile EPDM foam compresses to form a firm, lasting seal that keeps dust, water, and air out.
Best for: service trucks, marine enclosures, off-road canopies, and mining gear.







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