Window Leak Repair & Waterproof Sealing
Water getting in around your windows causes structural damage, mold growth, and energy loss. We diagnose the source and fix it properly — not just re-caulk and hope for the best.
Rated 5.0 on Google- Fully Insured
- 24/7 Emergency Service
- Free Estimates
- Serving DC · MD · VA

Leak Diagnosed
Source identified before any work begins
Structural Protection
Stop damage before it spreads
Fully Insured
Fully covered on every job
Written Guarantee
Repair guaranteed in writing
Find the Source. Fix It Right.
Window leaks rarely have one obvious cause. Water can enter through failed glazing compound, cracked caulk, damaged flashing, warped frames, or failed insulated glass seals — often in combination.
We conduct a thorough diagnostic before touching anything, identify every infiltration point, then provide a complete fix rather than a surface-level patch.
Window Leak Repair Services
Leak Diagnosis
Visual inspection plus water testing to identify all infiltration points before any repairs begin.
- Visual inspection
- Water test simulation
- All infiltration points mapped
- Written assessment
Caulk & Sealant Replacement
All old, cracked, or failed caulk removed and replaced with professional-grade silicone. Interior and exterior joints.
- All joint types
- Professional-grade silicone
- Interior & exterior
- Color-matched finishes
Weatherstripping Replacement
Worn or compressed weatherstripping replaced to stop air and water infiltration. All window and door types.
- All window types
- Draft elimination
- Water seal restored
- Energy efficiency improved
Frame & Sill Repair
Warped or damaged frames repaired or replaced. Sill damage rebuilt. Flashing re-secured or replaced.
- Frame repair & replacement
- Sill rebuilding
- Flashing remediation
- Structural waterproofing
What customers say
Rated 5.0★ on Google. Read them on Google
I had a great experience with this company for my window glass replacement. The team was professional, responsive, and efficient. They did an excellent job replacing the glass, and everything looks great. The work was completed neatly and on time, and the pricing was reasonable. I highly recommend them to anyone looking for reliable glass repair or window replacement services!
Ayoub really knows his craft he was so helpful, he guided me thoughout replacing 3 of my glass windows, and the cost was much better than the others, the final results were stunning!
Schedule a Window Leak Inspection
A leaking window gets worse over time. Our team diagnoses the source and delivers a lasting fix across DC, MD, and VA.