To have a cutting edge design

you need to know where the edge is.

The second installment of door hardware. Discusses cylindrical locksets, mortise locksets, deadbolts, and door code.

John 'Jack' Radowich 5/17/21 John 'Jack' Radowich 5/17/21

Dummy trims are door locksets that do not lock nor turn. They can pose a code violation and safety risk if not utilized correctly.

John 'Jack' Radowich 5/3/21 John 'Jack' Radowich 5/3/21

The first installment of door hardware. Discusses lock grades and lock functions. Covers the ANSI test, fail-safe, fail-secure, and door code.

John 'Jack' Radowich 4/26/21 John 'Jack' Radowich 4/26/21

How to search for UL rated assemblies with a high degree of specificity quickly.