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Posted by National Lock Supply on Oct 27th 2025

Every commercial lock, mechanical or electronic, needs regular maintenance to stay secure, smooth, and code-compliant. Over time, daily wear, dust, and moisture can affect latch alignment, handle tension, or internal springs. Routine commercial door lock maintenance extends the life of your hardware, prevents failures, and ensures your facility meets ADA and NFPA Life Safety standards. This complete 2025 checklist helps you inspect, clean, and ma… Read more

Posted by National Lock Supply on Oct 27th 2025

Replacing a commercial door lock may seem simple, but doing it correctly is crucial for security, smooth operation, and compliance with building codes. Whether you’re upgrading to a Grade 1 lockset or replacing worn hardware, the key is to choose the right replacement and install it with precision. This guide explains how to change a commercial door lock step by step, including which tools you’ll need, when to call a professional, and… Read more