Minimum Slope For Garage Floor

And i was wondering if there s some way to slope the garage floor without completely rebuilding the garage.

Minimum slope for garage floor.

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. We could find no reference to recommended slopes when trench drains are used in a floor. Then the garage slab slopes to the big garage door maybe 2 5.

Here is the citation from the international residential code irc. Fyi having a wash machine in the garage is probably more or less exclusive to the deep south. Use 1 4 to 1 8 per foot slope to the drains and you will not have a problem. The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope.

At this point the garage slab is 3 8 below the main house floor. On a 20 deep garage concrete sloping toward the big door that would be 5 and 6 on a 24 deep garage. 1 4 a foot is a lot. 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.

I mean you can add an additional layer of material to the garage floor and slope garage floor from high to low. 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. It is usually 1 8 to 1 4 per foot.

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