Install dowel rods 3 4 oc and leave the top of the concrete rough.
Lowering garage floor.
Concrete floors can t be sealed from the underside.
If they extend past the depth you wish to lower the floor it s a pretty straightforward task of removing the floor and excavating the dirt and stone to the depth you want.
In fact for some interior floors it s just a matter of pouring leveling compound out and letting it find its own level.
Firstly you would need to establish the build up of the floor and then lower the floor by the same amount and replace like for like this would require laying a new membrane.
We are in the midst of renovating all the landscaping and masonry work in the front of the house also a very steep slope and the landscape architect has made the suggestion of lowering of the slope of the driveway by lowering the garage floor about 2 feet.
If you pour a quarter cup of water on your garage floor it should disappear in about half a minute.
Then install the forms to make an exposed edge that is straight and smooth and pour the floor and hauch in the second step.
That depends how deep the foundation walls go.
Leveling compound is the classic and the easiest to fix a floor that is uneven.
A dewatering channel often installed on the newly created bench ledge will also be installed to help capture any seepage that may come through the original foundation.
If your garage floor is sealed the water will eventually evaporate.
For garages it is a little less simple.
That s why there should be a moisture barrier between the soil and the floor.
If you want to go deeper than the walls extend you have to underpin the walls.
Apply leveling compound in certain spots.
First dig the trench and fill it asap with concrete to say a foot below the finshed floor or where you want the lower protion of the haunch.