When a new drain system is out of the question then try adding a layer of concrete to your garage in order to have the bottom gasket make a proper seal.
Leaking garage door seal due to uneven concrete.
Take a look underneath the garage door.
The factory seal that came with the door may simply need to be replaced u but if the ebb and flow of the garage floor has created a gap wider than the factory seal can effectively cover then we ll go a separate route.
However there still exist a 3 4 and a 1 3 4 gap on each corner due to the tilting of the concrete because of a large crack.
Rubber patch repair for garage door floor seal gap.
I just had a new garage door installed it has weather stripping on the sides top and a rubber gasket seal on the bottom.
Check to see if there are cracks and gaps.
I have a sectional concrete garage.
Just the other day i was speaking to an upset customer.
A broken seal is the most common cause of water leaking through the garage door.
Aside from the simplest solution of replacing an old torn seal with a new one there are other methods of keeping water from leaking through your garage door.
The customer stated that there was a gap at the bottom of their garage door.
If slope is problem grinding to reslope can be done by a concrete grinding company or putting in a grouted sill at the door bottom seal to act as a dam can work well provided it goes.
This is how i repaired a gap between the door and the floor which allowed mice and cold air to get in.
A rubber seal strip on the bottom of the door might reduce this if only due to water pooling a bit there but generally not as well if slab slopes wrong way.
When the garage door is closed the seal should press snugly against the garage floor.
On the bottom of the garage door is a flexible seal that extends from one side of the door to the other.
Garage door bottom seal for uneven floor.
The trouble is when it rains water seeps into the garage where the walls join the concrete floor making it damp.
The previous owner has put a mortar fillet both inside and out to try to prevent this happening but the water still seeps through this.
There should be a rubber gasket that runs through from one end to the other.
This is accomplished by leveling the door then.