Minimum Slope For Garage Floor

They are available in pdf format and can be used for own project of building a garage.

Minimum slope for garage floor.

Of course we don t have to deal with heavy snow etc. 1 4 a foot is a lot. Here a more typical slope would be 2 5 or 3. Entry to the house from the garage is at the back of the house.

On a 20 deep garage concrete sloping toward the big door that would be 5 and 6 on a 24 deep garage. Fyi having a wash machine in the garage is probably more or less exclusive to the deep south. 1 4 over 4 feet will drain but slowly much over that and front to rear on a 28 to 30 foot garage is becomes noticeable. Then the garage slab slopes to the big garage door maybe 2 5.

Here is the citation from the international residential code irc. In the winter the runoff from whatever snow is on it just pools on the floor in the garage. Garagetips 101 offers at a nominal price a set of single car garage plans 12 x 24 consisting of 6 sheets of drawings on 11 x 17 sheet sizes with details that show how the floor slope in the type 1 garage foundation is accomplished. We could find no reference to recommended slopes when trench drains are used in a floor.

Use 1 4 to 1 8 per foot slope to the drains and you will not have a problem. At this point the garage slab is 3 8 below the main house floor. The recommended slope for flat roofs is usually 1 1 8 inch per foot or 2 1 4 inch per foot according to the professional handbook of building construction published by john wiley sons new york. I mean you can add an additional layer of material to the garage floor and slope garage floor from high to low.

The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope.