Description: Door and Hardware Systems, Inc. (DHSI) is a manufacturer that specializes in designing patented solutions to problems in the gasketing of door frames. While weatherstripping is the most common application, life safety and security issues are also becoming code requirements for smoke and fire, with seals, door bottoms, and thresholds. DHSI also makes a patented product for securing against unauthorized entry to rooms with commonly available tools..
manufacture (906) seals (405) door security (30) gasketing (12) smoke seals (9) door bottom (8) fire seals (7) sound seals (3) fire-sealed door bottoms (1) frame seals (1)
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