Maximum Slope For A Garage Floor

The apron s length depends on the required slope more length is needed to reduce steep slopes.

Maximum slope for a garage floor. It is usually 1 8 to 1 4 per foot. Actually a very slight slope like 1 16 will get rid of the water with a little help from a squeegie. Here is the citation from the international residential code irc. A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified.

Aci 117 90 st andard specifications for tolerances for concrete construction and materials gives a level alignment tolerance of 3 4 inch for top of slab elevation of slabs on grade. 1 attach one end of the string level to the wall of the garage furthest from the main door. As a general rule of thumb most floor to floor height requirements range from 10 to 12 feet. If the floor is hand screeded and isn t re leveled during the finishing process you may get a few minor birdbaths with the 1 8 ft slope but nothing a quick squeegie won t fix.

Of ramp two end bays of48 feet and two spandrel widths of one foot. For improved efficiency the garage with two way traffic with end bay parking must have 180 ft. Determine the ramp slope based on the requirements of the structure through los considerations and the expressed purpose of the garage. The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope.

Determining the angle of your floor s slope provides a simple method to level work surfaces in the garage. The apron extends the width of the garage floor.