Lawrence Hardware

Fire Rated (cUL Marked)

Full mortise, butt hinges, 3-knuckle and 5 knuckle standard and heavy weight for use on swinging-type fire doors rated upto and including 3 hour.

Available for the following models:

  • Standard weight - Heavy weight
  • LH179BB - LH168BB
  • LH191BB - LH199BB
  • LH1379CB - LH1368CB
  • LH1391CB - LH1399CB


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Lawrence Hardware
676 Petrolia Road, Toronto, ON M3J 2V2
Business Hours

Mon - Thur: 8:30am to 5:00pm
Fri: 8:30am to 1:00pm

Mon - Thur: 7:00am to 4:00 pm
Fri: 7:00am to 1:00pm
Shipping & pickup can be arranged based on these hours.

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