What is Backcheck
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Backcheck is a feature that can be added to door closers to slow the opening of a door to avoid it hitting against a wall. Depending on closer make and model this can be either fixed or adjustable |
What Is Backset
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The Backset of a locks-latch is the distance from the edge of the door to the pivot point of the knob-lever. |
What Is Cam Action
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Cam action door closers allow light opening force but strong closing force |
What Is Delay Action
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Holds door open for a set period time before closing allowing disabled wheel chair access
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