- Full Mortise
- Template
- Single Acting
- Steel
- Square Corner
For labeled doors 3’7”. The maximum door size is based on the limits set forth by NFPA Standard #80. Labeled doors require ball bearing hinges. For maximum versatility use all spring hinges or a combination of spring hinges and ball bearing hinges. Do not use plain bearing hinges. Full spring tension may not be required on all hinges.
