Irc Garage Floor Slope

Of course we don t have to deal with heavy snow etc.

Irc garage floor slope. The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope. 1 4 a foot is a lot. It is usually 1 8 to 1 4 per foot. I did a key word search through the 2006 ibc using several different key words garage floor floor slope slope to drain 1 8 per foot 1 8 in 12 and came up dry.

Here a more typical slope would be 2 5 or 3. Frankcastelvecchi on argument for keeping it flush is accessibility particularly with the aging population. However the irc would allow a flush condition at the garage house door though i wouldn t draw it. There is no definition for a garage in the irc all i have at home is the 06.

The 06 merely states that the floor must be non cumbustible material and if for the storage of automobiles be sloped to facilitate drainage. A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified. From the irc r309 4. It only requires the garage floor to slope for drainage.

The sills of all door openings between the garage and dwelling shall be raised not less than four inches above the garage floor 1999 section 407 5 the sills of all door openings between private garages and adjacent interior spaces shall be raised not less than 4 inches above the garage floor. Appliances located in private garages shall be installed with a minimum clearance of 6 feet above the floor. Here is the citation from the international residential code irc. Btw how about filling out your profile so we have an idea what area you live in.

The area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids to a drain or toward the main. Floor slope back to front not less than 1 8 per ft irc 309 1 3 1 2 minimum concrete slab all vegetation shall be removed 408 5 dimension note. If roof trusses or rafters bear on header special header design may be required double 2x4 or 2x6 trimmers each end of overhead door header garage door opening header size x. On a 20 deep garage concrete sloping toward the big door that would be 5 and 6 on a 24 deep garage.

The irc does not specify the degree of slope in 309 4.