Water intrusion · Metro Detroit
Water at the Bottom of Your Patio Door After Heavy Rain
Heavy rain and wind can expose blocked sill drainage, poor exterior grading, and worn seals near a patio door. This guide explains what to observe, what to avoid, and when a professional evaluation is appropriate.
Start with the symptoms
Inspect the bottom track for leaves and dirt after the rain stops. Look for drainage openings and check whether water sits inside the track or travels onto the interior floor.
What a repair professional will consider
A wet sill may stem from the door assembly, adjoining exterior flashing, or surrounding construction. The correct repair depends on where water enters.
Safety and common mistakes
Do not drill random holes into the threshold or fill existing drainage outlets with sealant. Doing so can worsen water intrusion.
What this means for Michigan homeowners
Across Wayne, Oakland, and Macomb counties, seasonal moisture, freezing conditions, and everyday usage can affect door performance in different ways. Not every symptom is caused by winter weather, and the safest solution depends on the age, frame condition, and hardware installed. Keep notes about when the problem occurs and how it changes after simple cleaning. These details can make a service assessment more effective.
When to request service
If the sliding panel remains difficult to operate, its latch fails, the rail is visibly damaged, or a heavy glass panel appears misaligned, avoid forcing it. Request an assessment of the rollers, track, and related hardware. Michigan Sliding Doors View Experts serves the Metro Detroit area; availability and suitability depend on the specific door and location.
Need help with a sliding door?
For homeowners across Metro Detroit, call or text Michigan Sliding Doors View Experts for an assessment. No online diagnosis replaces a hands-on inspection.