Is a fire-rated door required between an attached garage and the house?
Thursday, November 28, 2019
There are three door choices in the International Residential Code (IRC) and the Residential Edition of the Florida Building Code (FBC), and all of them have enhanced fire resistance compared to a regular interior door, but only one has the fire resistance rating spelled out:
- Solid wood door not less than 1-3/8” thick.
- Steel door, with a solid of honeycomb core, not less than 1-3/8” thick.
- A door with a 20-minute fire-rating.
For more details, see our blog posts What are the building code requirements for a door from the garage to the house? and What are the code requirements for fire separation between an attached garage and the house?
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To learn more about doors and windows, see these other blog posts:
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