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site-built, mobile/manfuactured and modular homes
What is the code minimum ceiling height in a bathroom?
Sunday, March 1, 2020
Bathrooms must have a minimum ceiling height of 6 feet 8 inches. Where the ceiling is sloped, such as under a stairs, because the toilet fits in at the low side of the sloped ceiling under the stairs, the vertical clearance in front of it is the primary issue and there are exemptions. Here are the parameters you have to work within, based on the Residential Edition of the Florida Building Code (FBC R305) and the International Residential Code (IRC):
1) For a room with a sloped ceiling, at least half of the ceiling must be a minimum of 7-foot or higher, with no part of the required floor area lower than 5 foot.
2) There must be a minimum of 6-foot 8-inches height at the center of the front clearance area of the fixture. Minimum clearance in front of a toilet or sink is 21-inches, so the ceiling must be 6-foot 8-inches high at 10-1/2-inches away from the front of the toilet.
3) A shower or tub with a shower must have a ceiling height of 6 foot 8 inches over an area of not less than 30 inches by 30 inches at the showerhead.
4) The ceiling height directly above the bathroom fixtures must be sufficient for them “to be used for its intended purpose.”
For the minimum ceiling heights for other areas, click: Basements Bathtubs Bedrooms Hallways Garages Kitchens Laundry Rooms Showers Tiny Houses Toilet Rooms
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Here’s links to some of our other blog posts about BATHROOMS:
• Honey, who shrunk the toilet?
• Why is it a problem when a trap under a bathroom sink is installed backwards?
• What are the code requirements for layout of drain piping under bathroom sinks?
• Why is there sand in the bottom of my toilet tank?
• How do you test a shower pan for leaks?
• What is a "fixture unit" for plumbing?
• Are drop-in toilet bowl cleaner tablets safe?
• Why is there mold inside my toilet tank?
• What are the pros and cons of a wall-mounted toilet?
• Is a hot water faucet handle required to be on the left?
• What is an escutcheon plate?
• Why is the European-style bottle trap not approved by the plumbing codes in the U.S.?
• What are the minimum clearances around a toilet?
• Can I make a trap under the sink from straight pipe and 90º elbows?
• Why is there a flexible accordion pipe under the bathroom sink?
• What is that big thing in the toilet tank?
• What is the difference between a plumbing fixture, a plumbing appliance, and a plumbing appurtenance?
• Why is my bathroom vent fan not exhausting enough air?
• What is an "S-Trap" under my sink? Why is it a problem?
• When did the building code begin requiring bathroom vent fans to discharge to the exterior (not the attic or crawl space)?
• Is a furnace allowed in a bedroom, bathroom, or an adjoining closet?How do you test a shower pan for leaks?
• Does a half bathroom (no shower or tub) require an exhaust fan?
• Is a shower pan leak test a required part of a home inspection?
• Can I install a commercial (wall-mounted flushometer) toilet in my home?
• What are the ventilation requirements for bathrooms and kitchens in mobile homes?
• Can a bathroom exhaust fan dump air (discharge/terminate) in the attic?
• What are the requirements for bathroom ventilation?
• How can I check to see if my bathroom exhaust fan is actually working and moving air?
• My bathroom is stinky and humid even though it has an exhaust fan. What can I do to fix it?
• Why is there a GFCI breaker in the electric panel for the bathroom shower light and exhaust fan?
• My bathroom electric receptacle/outlet is dead and there are no tripped breakers in the electric panel. What's wrong?
• Why is there no bathroom electric receptacle in this old house?
• Can you install a gas water heater in a bathroom?
• What is the minimum size of a shower?
• Does a bathroom exhaust fan need to be GFCI protected by code?
• Does a shower light need to be GFCI protected by code?
• How much space is necessary for a toilet between a vanity and shower?
• Does a home inspector check bathroom exhaust fans?
• What is the code minimum clearance in front of a toilet?
Visit our BATHROOMS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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