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.
Irc code garage floor slope.
The slab has to be at least 3 5 thick and possibly thicker for expansive or other difficult soils.
Asphalt surfaces shall be permitted at ground level in carports.
The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope.
Appliances located in private garages shall be installed with a minimum clearance of 6 feet above the floor.
Everything i ve read says slope it 1 8 to 1 4 inch per foot toward the garage door.
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.
International building code 406 2 9.
The area of floor used for parking automobiles shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle entry doorway.
The international residential code irc lays out a series of requirements for pouring a concrete slab on grade.
Here is the citation from the international residential code irc.
It is usually 1 8 to 1 4 per foot.
Appliances located in a garage or carport shall be protected from impact by automobiles.
Getting ready to pour a garage floor slab.
7 inches sounds like too much both visually and from a walkability standpoint so the most i m going to consider is 3 5.
2009 2012 2015 and 2018 international residential code irc section r309 2 carports.
Its more than just forms and pouring concrete.