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Old 11/29/10, 4:52 PM
Ed DeRousse Ed DeRousse is offline
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Default Fire Rated Garage Door

Not sure if I have the right forum, but anyhow, here we go. My question pertains to the requirements for a Fire Rated Garage Door into the home. It is my understanding that a metal plated hollow door can be used as a garage door, but if it is a hollow door, it must be self-closing. Is this right, and could we elaborate on all the requirements for the different type acceptable doors, please? Thank you for your input.
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Old 11/29/10, 5:05 PM
Jeffrey R. Pope, CMI's Avatar
Jeffrey R. Pope, CMI Jeffrey R. Pope, CMI is offline
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Default Re: Fire Rated Garage Door

Check your local jurisdiction - not all areas require the door to be self-closing.

In general, a 20 minute door is required. This can be a solid wood door at least 1-3/8 inches thick, or a rated (listed) door assembly. There should be a data-plate on the jamb side of a listed door.


Jeff Pope
JPI Home Inspection Service
(661) 212-0738
Los Angeles, Santa Clarita & Antelope Valley CA
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Old 11/29/10, 5:13 PM
Joe Funderburk, CMI's Avatar
Joe Funderburk, CMI Joe Funderburk, CMI is offline
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Default Re: Fire Rated Garage Door

A non-rated steel 1-3/8 door is also acceptable. That's usually what you see.

IRC R309.1 Opening protection.
Other openings between the garage and residence shall
be equipped with solid wood doors not less than 13/8 inches (35
mm) in thickness, solid or honeycomb core steel doors not less
than 13/8 inches (35 mm) thick, or 20-minute fire-rated doors.

P.S. Glass in the door is a no-no.

P.S.S. Self closing not required around here.

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Old 12/3/10, 9:54 PM
Richard W. Washington, TREC#7238's Avatar
Richard W. Washington, TREC#7238 Richard W. Washington, TREC#7238 is offline
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Default Re: Fire Rated Garage Door

To be precise.. pedestrian fire rated garage door....

Richard W. Washington, owner
RW Home Inspections, Inc.
Texas Real Estate Commission (TREC)
Professional Inspector License #7238
Texas Professional Real Estate Inspectors Member (TPREIA)-Greater Houston Chapter
InterNACHI member since 2004
Based in Katy, serving Houston and all surrounding communities
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Old 12/5/10, 12:16 AM
Robert Ernst Robert Ernst is offline
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Default Re: Fire Rated Garage Door

I know the UBC requires 1 3/8 door to be self closing and self latching. There should also be weather stripping to provide a smoke seal. That's the way it's done here.
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Old 12/10/10, 12:35 PM
Robert Manley Robert Manley is offline
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Default Re: Fire Rated Garage Door

Self closing is a requirement for proper gas seperation (carbon monoxide from car fumes) than for fire separation. The door is for fire separation. We do require a closer, but it is for gas!

Robert Manley
7 County Home Inspection, LLC
IAC2 Mold Certified
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