How to add drainage to an existing concrete patio.
Adding a drain in a cement floor.
Next cut and remove the portion of the slab necessary to install the plumbing supply and drain lines then repour new concrete over the new plumbing and make the floors as level as possible.
If the contractor made provisions for adding a bathroom in the basement during the construction of your home you ll find plumbing stub outs in the floor of the basement that will accommodate a shower sink or commode.
Allow the concrete to set for at least 4 to 5.
In a home where the main drain is above the basement.
Add a drain cover.
Later if an old drain line ruptures or the homeowner puts an addition onto the house it might be necessary to cut the concrete floor to reach the old plumbing or to connect a new line.
Mix your concrete and smooth it with a trowel.
The concrete will be much lighter than the surrounding concrete floor.
Remove the coffee can from the concrete once it has set and add a trap and drain cover to complete your work.
Pour the concrete into the gaps between the drain channel and the patio smoothing it out with a trowel.
Add a drain cover.
Installing a floor drain in a garage.
Unlike in new construction in which a concrete contractor would simply design the floor with a gentle slope toward the drain existing basement floors are typically made to be level in other.
After the concrete has had time to set up remove the can from the new floor drain hole.
Install the cover and trap to finish off your new system.
A garage can be a messy place and keeping it clean is much less complicated if you can simply wash down the floor and allow the water to run into a floor drain.
They usually remove the sawed concrete and get it out of the building for you.
If you want to make everything a consistent color you can paint the floor or add interlocking flooring.
Make sure you bevel the area around the drain spot so that the water won t pool and will instead easily drain into it.
The surface of a concrete slab is impervious to water which means that if water can t run off the surface it will pool on your patio.
Installing a floor drain into an existing concrete slab will require some sawing of the concrete.
How to add a basement shower without breaking concrete by glenda.