Leak Prevention

Window Waterproofing Services

Protect Your Home from Costly Water Damage

Water leaking through or around your windows isn’t just a nuisance — it’s a threat to your home’s structure, insulation, and interior finishes. At Ewell Construction, we specialize in professional window waterproofing and leak repair, protecting South Bay homes from water intrusion and long-term damage. Whether you're noticing signs of water damage, have newly installed windows, or live near the coast where weather exposure is constant, our team ensures your windows are sealed, protected, and built to last.
​

Why Window Waterproofing Matters

  • Prevent Costly Damage: Stop rot, mold, and drywall deterioration before they start.

  • Improve Energy Efficiency: Proper sealing keeps conditioned air in and drafts out.

  • Increase Longevity of Windows: Extend the life of your windows and reduce repair or replacement costs.

  • Enhance Home Value: A well-sealed home means a better inspection and resale value.
​

Our Window Waterproofing Process

  • Inspection & Diagnosis – We assess existing damage and identify vulnerable areas.

  • Sealant & Flashing Repair – We repair or replace failed caulking, flashing, and barriers.

  • Moisture Protection Systems – We apply durable waterproof membranes or coatings where needed.

  • Final Testing & Peace of Mind – We ensure your windows are sealed tight and ready to stand up to the elements.
​

Signs You May Need Window Waterproofing

  • Water stains or discoloration around windows
  • Peeling paint or bubbling drywall
  • Mold or musty odors near window frames
  • Drafts or visible gaps in caulking
  • Foggy windows or condensation between panes​

FAQs – Window Waterproofing​

Q: How do I know if my windows are leaking?
A: Common signs include water stains, mold growth, peeling paint, or drafty areas. Our experts can perform a full inspection to determine the source.

Q: Do I need to replace my windows to fix leaks?
A: Not necessarily. In most cases, we can waterproof and reseal your existing windows without a full replacement.

Q: How long does window waterproofing take?
A: Most standard projects can be completed in 1–2 days depending on the number of windows and severity of the leak.

Q: Is this service only for older homes?
A: No — new construction and recently remodeled homes can have faulty installation or poor flashing. Waterproofing ensures protection regardless of your home's age.
​
Q: Will this help with energy efficiency?
A: Yes! Proper waterproofing also seals air leaks, improving insulation and reducing energy bills.
Google Reviews for Ewell Construction

What Our Clients Say

Real reviews from our valued customers.

Google More on Google