Better yet you should install a preformed flashing pan under the door or window.
Water under door threshold.
Some areas like your roof are obvious locations.
How to stop water leaks under a door frame.
This should stop the door from dragging.
You ll want to make certain the strike plate and latches are in alignment.
Tall barrier to the garage floor.
Thinking about draining options is necessary with external bifold doors as an adequate drainage function is required to channel water away from the threshold during instances of rain.
If you plan to attach a new door bottom with a drip edge you may have to plane the bottom of the door slightly.
But be aware that is a temporary fix that must be renewed on a regular basis as it cracks or gets kicked away.
There are many places where water can leak into your home.
Bifold door drainage prevents water gathering in the track and channels it away from your home to avoid water accumulation and potential damage.
You could try a door sweep with a rain drip cap to keep water from running down the door and going inward at the bottom.
The garage door threshold seal creates a tight seal for your garage door which will keep leaves dirt water and snow from being blown under the garage door by the wind.
If you have had water damage the threshold may be popping up may have become swollen or may have suffered other damage.
Also if you have a sloped driveway or an uneven garage floor and water is seeping under your garage door the door seal adds a 1 2 in.
Replace the hinges completely and rehang the door.
I might try running a bit of caulk between the wood and aluminum on the threshold under the weatherstripping first and see if i have any better luck with that.
One potential problem area you can.
This might help i ll see if i can find something like this.
Make sure the hinges are tight.
If your door has fallen out of alignment take time to make certain your door fits straight before you begin weatherproofing.
Remove the door from the hinges remove the hinges from the door jamb.
Solution is a tight bottom sweep doorseal and a rain splashguard or dripcap on the bottom outer face of door like the following link the type i use unless a fancy appearing one is desired easy to diy on most doors.
This means that under the door there needs to be a water membrane that protects the subfloor from water and overlaps the last piece of siding or exterior material that tucks up under the door threshold.