Irc Code Garage Floor Slope

Its more than just forms and pouring concrete.

Irc code garage floor slope.

Getting ready to pour a garage floor slab. A single door shall be allowed provided the sources of ignition in the appliance are at least 18 inches 457 mm above the floor. The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope. Here is the citation from the international residential code irc.

If bollards or stanchions are not installed then the unit must be raised 6 feet above the garage floor per irc g2408 3 305 5. 2009 2012 2015 and 2018 international residential code irc section r309 2 carports. Everything i ve read says slope it 1 8 to 1 4 inch per foot toward the garage door. The slab has to be at least 3 5 thick and possibly thicker for expansive or other difficult soils.

International building code 406 2 9. Appliances located in a garage or carport shall be protected from impact by automobiles. Connection of a parking garage with any room in which there is a fuel fired appliance shall be by means of a vestibule providing a two doorway separation. The garage is 28 ft deep so 1 8 to 1 4 inches per foot means the slab shoub be 3 5 to 7 inches higher at the end opposite the door.

Appliances located in private garages shall be installed with a minimum clearance of 6 feet above the floor. 2018 international residential code chapter 3 building planning 2 instructor gil rossmiller in the construction industry for over 40 years icc irc plumbing mechanical code development committee icc commercial energy code development committee. 7 inches sounds like too much both visually and from a walkability standpoint so the most i m going to consider is 3 5. Asphalt surfaces shall be permitted at ground level in carports.