The main mistake is sealing over a moving problem before the opening is evaluated. That is often how hidden moisture damage begins.
What Texas Homeowners Should Do Next
Once a house has moved, the long-term fix usually involves both the window and the foundation conditions around it.
Good drainage helps more than many homeowners realize. Downspouts should move water away from the foundation, and grades around the home should not slope back toward the slab.
Small changes become useful data when they repeat year after year.
The best solution is the one that restores fit, seal, and function at the same time.
Before comparing product features, make sure the structure is ready for the window. Otherwise, the new unit may inherit the same problem the old one had.
If you are seeing sticking sashes, cracked trim, windows and doors services Dallas Window Replacement or a gap that keeps returning, it is time to get the opening inspected before the damage spreads.