Whether it’s a large commercial project or a single residential garage door installation, you can be sure Cornwell Door Service will get the job done right. Our team has a combined 120 years of experience and receives extensive training both on the job and off. This ensures we are fully capable of working with the newest and most advanced products on the market today. As an authorized installer for several leading manufacturers, we are trusted by some of the largest names in our industry, in part because we have made the commitment to excellence they require.
Containment cables. When old extension springs break, the springs and cables become heavy whips that damage cars and even injure people. To solve the whipping problem, manufacturers now offer containment cables that run through the center of side-mounted extension springs. If you have extension springs and don’t plan to replace your door, make sure the springs have these containment cables, or have a professional install them.