FAQs About Fire-Rated Wood Doors

1.What is a fire-rated wood door core made of?
Fire-rated doors typically have cores made of solid mineral, particleboard, or composite materials designed to resist heat and flames.

2.What happens if a fire-rated door is modified?
Unauthorized modifications can void the fire rating, compromising its safety effectiveness and compliance with codes.

3.What certifications should I look for when purchasing fire-rated wood doors?
Look for certifications like UL10C or NFPA 252, which indicate compliance with industry fire safety standards.

4.Can fire-rated wood doors be painted or stained?
Yes, they can be painted or stained, but the finishing must not compromise the door’s fire-rating certification.

5.What does “20-minute fire-rated wood door” mean?
A 20-minute fire-rated wood door can withstand exposure to fire for at least 20 minutes, providing crucial time for evacuation and fire containment.

6.How do I verify the fire rating of a wood door?
Check for certification labels from recognized testing agencies like UL or Intertek, usually affixed to the door edge or frame.

7.Can wood doors meet 90-minute fire-rating standards?
Yes, 90-minute fire-rated wood doors are designed with special cores and seals to provide enhanced fire resistance, often required in commercial or high-risk areas.