Garage Floor Drain Pitch

Without a drain water just puddles and sits on the floor until it evaporates or is wiped up.

Garage floor drain pitch. Everything i ve read says slope it 1 8 to 1 4 inch per foot toward the garage door. The following diagram lays out the different terms that are used in the calculator. Measure the height of the drain with the tape measure. Calculate your slope from there to the outer edge of your room.

Yes the pipe needs some pitch also. 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. The garage is 28 ft deep so 1 8 to 1 4 inches per foot means the slab shoub be 3 5 to 7 inches higher at the end opposite the door. A smooth accurate slope 1 8 per foot will drain fine.

We could find no reference to recommended slopes when trench drains are used in a floor. A garage drain is also great for rinsing and cleaning the garage floor so all the dirty water doesn t end up on the driveway. You need 1 4 inch of slope for every linear feet of floor space. Hi hal depends on how good your finishing technique is.

The floor drain controls the flow of water preventing damage and unnecessary dirt buildup. First figure out the diameter of the pipe you are working with. When the concrete floor is pitched to a floor drain all the water runs into the drain keeping the floor dry. Here are some key facts about garage floor drains.

For household sinks the drain pipe diameter is often either 1 5 or 2. Having a drain installed with the correct pitch to the floor allows water dripping off your car or from rain falling outside especially important in particularly rainy areas to flow. Drain pipe slope calculator. Getting ready to pour a garage floor slab.

How to use the calculator.