Door Locks, Johnson City, TN

Secure your home and protect your family with our quality door locks and expert installation.

Some door locks do little more than keep an honest person honest or keep the kids out of your bedroom when you are getting ready for work, and that’s okay. But there are also door locks that you need to be able to depend on to keep your belongings secure and your family safe. When you contact us at 31-W Insulation, we take the time to learn what your objectives are so that we can recommend the best possible door locks for the level of security you require.

Door Locks in Johnson City, Tennessee

Regardless of what you need door locks for, you can count on us to provide not just a high-quality product, but also expert installation so that the door locks can perform as intended. If precision is not achieved, the lock could fail at the worst possible moment. In addition, we make certain the door closes with fluidity, so the locking mechanism engages without struggling on your part.

If you need door locks for your Johnson City, Tennessee home, you can expect the same excellence we have provided since 1972 that you have learned to trust for all your home remodeling projects. If you are tired of needing to jiggle a door to get the lock to engage or you fight to get the key to work, turn to us for trouble-free, stress-free door locks that work right the first time and every time.

We have built our business that has grown to 48 locations across 12 states based on integrity, professionalism, and quality products and workmanship. Contact us today to learn that even something as simple as door locks gets our attention to detail and commitment to your complete satisfaction.


Right here in Tennessee, we also offer door locks in Goodlettsville, Franklin, Chattanooga, Loudon, Murfreesboro, Milan, Mason, Cookeville & Memphis. 31w is also proud to serve many states throughout the Southeastern portion of the U.S. Read more about our services in Alabama, Florida, Georgia, Indiana, Kentucky, Missouri, Ohio, Oklahoma, North Carolina, South Carolina & Texas.