High Urgency
Window Leaking Water: How to Stop Water Intrusion
Water leaking through your windows during rain? Learn the causes of window leaks and get professional repair from Virginia Glass Windows in the DMV area.
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Warning Signs
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Known Causes
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Solution Steps
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Professional Assessment
Common Symptoms
Water pooling on the window sill during or after rain
Wet spots or stains on the wall below the window
Bubbling or peeling paint around the window frame
Damp or musty smell near windows
Visible water dripping from the top or sides of the window
Water damage or discoloration on the ceiling below upper windows
What Causes This
Failed or missing caulking around the window exterior
Damaged or improperly installed flashing
Clogged weep holes preventing drainage
Cracked or deteriorated window glazing putty
Window frame gaps from settling or shrinkage
Ice dam formation pushing water under the frame
How to Fix It
Solution Steps
1Identify the exact location where water is entering
2Check weep holes at the bottom of the window frame and clear any blockages
3Inspect exterior caulking and replace if cracked or missing
4Examine flashing above the window for damage or gaps
5Check glazing putty for cracks or missing sections
6For persistent leaks, a professional inspection can identify hidden causes
When to Call a Professional
When you cannot identify the source of the leak
When water is entering through or around the glass itself
When there is visible water damage to the wall, ceiling, or floor
When flashing needs repair or replacement
When mold is present around the window
Stay Ahead
Prevention Tips
Re-caulk window exteriors every 3 to 5 years
Keep weep holes clear of dirt and debris
Maintain proper exterior drainage and grading
Inspect and maintain window flashing regularly
Replace cracked glazing putty promptly
Common Questions
FAQs About This Problem
Minor gaps or caulking failures may not leak during light rain but allow water in during heavy rain or wind-driven rain when water pressure increases. These small gaps should be sealed before they cause damage.
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