Residential Garage Door Fire Rating

Overall a fire rating can range from 20 minutes to three hours but keep in mind that 20 minute doors are designed to block smoke rather than flames.

Residential garage door fire rating.

So for all these reasons the international residential code irc and residential edition of the florida building code fbc r302 5 have safety standards for a door that separates the garage from the house interior. Also a fire door will typically have three quarters of the rating of the surrounding wall. It is not likely that any raised panel 1 3 8 door will ever have such a rating or qualify for proper garage house fire separation. Solid wood door not less than 1 3 8 thick.

The door cannot open directly onto a room used for sleeping purposes bedroom and must be one of the following types. The reason the inspector wants to see the tag is because then they know it is a 20 minute fire rated door and meets one of the choices for type of door for garage house fire separation. Heat spread from another fire 14 7. When there is a living area habitable space above the garage the ceiling requirement ramps up to 5 8 type x fire rated drywall.

For instance according to nfirs and on track garage door in phoenix here are several incidents that have occurred and the cause of residential garage fires. 6 panel primed 20 minute fire rated steel prehung right hand inswing front door with brickmould jeld wen premium steel doors offer that relied upon strength jeld wen premium steel doors offer that relied upon strength durability and ease of maintenance that complement your home s style. Ovation doors 90 60 45 and 20 minute fire ratings available. Other openings between the garage and the residence shall be equipped with solid wood doors not less than 1 3 8 35 mm in thickness solid or honeycomb core steel doors not less than 1 3 8 35 mm thick or 20 minute fire rated doors.

Simpson 20 minute fire rated doors comply with major code requirements for the 20 minute fire safety classification. Hot or smoldering objects 18 5. This classification covers most residential requirements and can also meet commercial requirements for 20 minute. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted.

While all of this is intended to create a fire barrier between garage and house it is not specified as one hour rating or fire wall by the residential editon of the florida building code fbc or the international residential code irc. Self closers on these fire doors are no longer a requirement. Heat from powered equipment 42. For instance a wall with a two hour rating will usually contain doors with a 90 minute rating.

Today fire rated door units have become a code requirement across numerous municipalities. Steel door with a solid of honeycomb core not less than 1 3 8 thick. Fortunately mmi door offers a complete fire rated door unit solution across numerous ratings as well as door hardware and. Open flame or smoking material 16 9.

The stairway enclosure throughout should be constructed to be fire resistant for at least 30 minutes with fd20 rated fire doors which are resistant for at least 20 minutes to all habitable rooms along it. A door with a 20 minute fire rating.