The difference between Classroom and Anti Barricade Functions

Summary of BS EN 1935 Hinge Gradings

Any hinge tested to BS EN 1935:2002 will be graded on this scale. BS EN 1935:2002 classifies door furniture by using an 8-digit coding system. Each digit refers to a particular feature of the product measured against the standard’s performance requirements. The Hinge...
The difference between Classroom and Anti Barricade Functions

What is Adjusted Door Weight and how do I calculate it?

Door Width It’s obvious that a wider door will put more strain on a hinge than a narrow door. As a simple rule though, if the door height is at least twice the width then there is no additional side loading that needs accounting for. However, if the door width is more...