How to use the calculator.
Garage floor drain pitch.
7 inches sounds like too much both visually and from a walkability standpoint so the most i m going to consider is 3 5.
Getting ready to pour a garage floor slab.
The following diagram lays out the different terms that are used in 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.
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.
Measure the height of the drain with the tape measure.
For household sinks the drain pipe diameter is often either 1 5 or 2.
Without a drain water just puddles and sits on the floor until it evaporates or is wiped up.
When the concrete floor is pitched to a floor drain all the water runs into the drain keeping the floor dry.
Drain pipe slope calculator.
Yes the pipe needs some pitch also.
Hi hal depends on how good your finishing technique is.
Everything i ve read says slope it 1 8 to 1 4 inch per foot toward the garage door.
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.
If you work like me 1 4 per foot is a better rate to aim for.
Toilet waste lines are often 3 or 4.
First figure out the diameter of the pipe you are working with.
A smooth accurate slope 1 8 per foot will drain fine.
Calculate your slope from there to the outer edge of your room.
You need 1 4 inch of slope for every linear feet of floor space.
Here are some key facts about garage floor drains.