Protect Your Home from Water Damage with Expert Flashing Repair

Flashing leaks are one of the most common—and most overlooked—causes of water damage around windows, doors, roofs, and balconies. Improper or deteriorated flashing can allow water to penetrate behind stucco, siding, or into your walls, leading to rot, mold, and costly repairs.
At Ewell Construction, we specialize in diagnosing and fixing flashing leaks throughout Redondo Beach, Hermosa Beach, Torrance, Manhattan Beach, Palos Verdes, and surrounding South Bay areas. Whether your leak is around a window, patio door, or deck, we’ll locate the source and provide long-lasting repair solutions.
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What Is Flashing, and Why Does It Leak?

Flashing is the protective barrier—usually metal, rubber, or waterproof membrane—installed at joints, edges, and penetrations to prevent water intrusion. Common areas where flashing is critical include:

• Window and door perimeters
• Deck-to-wall connections
• Roof edges, chimneys, and skylights
• Parapet walls and flat roof transitions
• Perimeter of decks

Leaks typically occur due to:

• Improper installation during original construction
• Aging materials or corroded flashing
• Cracked stucco or siding around flashing
• Poor waterproofing or missing sealants
• Movement or settling of the structure

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How We Fix Flashing Leaks

• Leak Detection & Inspection – We use visual inspection and moisture meters to trace the water path to its origin.

• Targeted Repairs – We remove damaged materials as needed, replace or install new flashing, and re-seal the area with industry-grade waterproofing.

• Stucco or Siding Repair – Our team restores exterior finishes with color-matched materials for a seamless look.

• Prevention – We waterproof the area to prevent future leaks and test to ensure the repair is watertight.​​

Frequently Asked Questions

Q: How can I tell if my window or deck flashing is leaking?
A: Common signs include stains on walls or ceilings, bubbling paint, musty smells, or soft, damp drywall. If you see water where it shouldn’t be, your flashing may be compromised.

Q: Do you repair leaks behind stucco or siding?
A: Yes. We carefully remove exterior materials to access the flashing, make necessary repairs, and reapply stucco or siding with a clean, professional finish.

Q: Will I need to replace all the flashing on my house?
A: Not always. In most cases, we can do targeted repairs to the leaking areas only, unless the damage is widespread.

Q: Do you offer free inspections or estimates?
A: Yes. We provide free, no-pressure inspections and estimates to homeowners across the South Bay.

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