Everything i ve read says slope it 1 8 to 1 4 inch per foot toward the garage door.
Garage floor drain pitch.
Without a drain water just puddles and sits on the floor until it evaporates or is wiped up.
Here are some key facts about garage floor drains.
For household sinks the drain pipe diameter is often either 1 5 or 2.
Drain pipe slope calculator.
Toilet waste lines are often 3 or 4.
Measure the height of the drain with the tape measure.
A smooth accurate slope 1 8 per foot will drain fine.
Calculate your slope from there to the outer edge of your room.
Yes the pipe needs some pitch also.
7 inches sounds like too much both visually and from a walkability standpoint so the most i m going to consider is 3 5.
Hi hal depends on how good your finishing technique is.
The following diagram lays out the different terms that are used in the calculator.
How to use the calculator.
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.
When the concrete floor is pitched to a floor drain all the water runs into the drain keeping the floor dry.
First figure out the diameter of the pipe you are working with.
We could find no reference to recommended slopes when trench drains are used in a floor.
You need 1 4 inch of slope for every linear feet of floor space.
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.
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.
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.
