NSD sells, installs, and services a vast array of products used in the security integration field and the distribution of architectural door and hardware products used in new and renovation construction projects. I don't think you can go wrong contracting with National Security and Door for all your wood, hollow metal, storefront, and architectural hardware needs. I have personally worked with several NSD employees during this project. They were always professional and courteous, and respected the working conditions at each school.

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About NSD

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NSD sells, installs, and services a vast array of products used in the security integration field and the distribution of architectural door and hardware products used in new and renovation construction projects. We offer security integrators that feature electronic access control and video surveillance, architectural door and hardware sales for hollow metal and aluminum entrance systems, locksmith services, automatic door and low energy handicap operators sales and service, We have also developed and patented a chain resistant, fully serviceable flush door pull that we install in aluminum and hollow metal doors.

Architectural Hardware

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We have a full line of architectural products including locksets, door closers, pull handles, thresholds, weather stripping, electrified hardware, and panic hardware. We are a direct supplier of Design Hardware, Allegion, Sargent, and Schlage.

Automatic Doors and Operators

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We are certified by the American Association of Automatic Door Manufacturers to install, test, and certify sliding and low-voltage automatic doors. Our technicians are trained, certified, and have the experience to install your custom auto-door solution.

Chain Resistant Security Openings

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Chain Resistant Security Openings are ideal for any opening which is a main egress point for a group of people. Our patented Trimco 1112 security flush pull handle resists chaining as well as ratchet straps. Additionally, it is manufactured from "CuVerro" - an EPA-registered bactericidal copper alloy proven to kill virus-carrying bacteria on contact. There are no moving parts of the security flush pull to damage, and it is fully serviceable.

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