Posted: 3/30/2026 10:11:34 AM EDT
[Last Edit: urbanredneck][Edited]
This is driving me nuts. Pics from bonus room. This is an enclosed section of patio that should have been raised instead of being built on existing patio slab. I'm keep getting water seepage and I cannot figure out where it is coming from. The stains seem too high to be coming from underneath the slider. I've caulked everyplace that I think is suspect. Is there some place that I should inspect with the door itself? Maybe the seam where the door frame meets between the vertical and horizontal sections? These are sliders from lowes that we had installed in Sept 2024.  We had wood and stucco redone when we bought it and had the slider installed. There is a new 4x4 post on this corner. 
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First off - your pictures are linked to spam and websites that will compromise whoever tries to copy them to edit for clarification. Second -you can clearly see the trapped water in a channel before the stepped door sill. I have never had a home with this feature that blocks water drainage. I would be concerned about this. Third - it does not appear that the flashing edges around the door frame and windows are properly sealed. I can see the screws in the second picture - 1 rusted so there may be driving rain in the past - but cannot see caulking. In the third picture there is a gap visible. Water can wick. You need to check for proper sealant on the “fins” and see if the gap is an issue. I would also get that water draining in front of the door. |
yin shui si yuan
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Your life is an occasion, rise to it
In time we will be dancing in the streets all night.
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I've installed a few sliding glass doors but am not a pro but have never seen doors configured like yours. What the heck is that thing, referred to above, as a "door sill"? The doors and screens do not slide on it or in it. I'd suggest getting rid of it if it's not functional. It's trapping water and dirt, creating a pool. At the very least, it needs drain holes to the outside. What is that white metal thing at the base of the trim board in the third picture? I'd be concerned about the window, too. Is it leaking? |
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You have standing water issues with very poor drainage. Its wicking through the concrete into and through the wall. The hurricane shutter also needs some drain holes under the track. There is nothing you can do until the standing water/drainage issue is resolved. Looks like you need a French drain. If your water table is at 3 feet and the ground is saturated up to the surface the drain needs to be at 4 or 5 feet. Then you will lower the water table for that area. Also make sure the down spout exit pipe is away from the house by several feet. You can plumb that into the French drain if you install one. Nothing will change until you fix the drain issue. You can check to make sure the caulk is sealed by looking to see if there are any gaps under it. Along the outside slab and the door frame. Also check the outside edge of the vertical trim for gaps. If there are gaps rip it out and reapply only after the concrete surface is dry. To me the biggest issue is the outside wall. You have more interior damage along that wall then by the door. Yes I've installed hundreds of doors and dozens of sliders in my day. |
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Originally Posted By SpankMonkey: You have standing water issues with very poor drainage. Its wicking through the concrete into and through the wall. This^ Its weird that the door is almost at ground level, definitely a drainage issue. I've had several homes with sliders, all were at least 4" from the ground. |