July 14, 201213 yr comment_2323 I have 4 safety fire doors in my property linked to sensor fire alarm. Is it safe to shut the doors over night or should they be left open? Thank you Report
July 16, 201213 yr comment_2328 Ideally, you should keep the fire doors closed at night. This increases your degree of protection and stops fire doors warping (if you have a door closer and door retainer at different heights). Harry Report
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