Window Sills & Lintels Repair NYC
Expert Window Sills & Lintels Repair, Replacement, and Installation Services for residential and commercial properties throughout NYC, proudly covering Brooklyn, Queens, Manhattan, The Bronx and Staten Island.

About Us
Efficient Window Sills & Lintels Contractor in NYC!
Upgrading Construction Corp. is the premier construction company in NYC, offering installation and repairs of window sills and lintels. We provide immense protection from unwanted residue and water penetration inside your windows and apply protective sealants on them that inhibit rusting and improve their structural support. Our window sills contractor in NYC gives a refined look to the facade by repairing the windows and improving their strength.
- Protects from water infiltration
- Improves energy efficiency
- Structural integrity
How We Work
Where Quality Meets Perfection!
Damage Assessment & Custom Planning
We start by assessing the damage in your window sills, like water intrusion, rusting, and cracking. Then we match the masonry that matches your existing lintels.
Precision Removal & Repair
Next, we remove the damaged window sills with utmost care and clear the area for installing the new materials to make your windows secure for years.
Finishing & Waterproofing
In the end, we use the waterproofing membranes for the smooth finishing and lasting adhesion and durability.
Why Choose Us
Precision Repair for Sills & Lintels in NYC
Custom-Fit Installations
We restore and replace window sills and lintels with exact fits and structural accuracy.
Code-Ready Solutions
Our work meets DOB and building safety standards for long-term performance.
Free Condition Check
We assess damage, explain repair options, and provide no-obligation estimates.
Testimonials
Honest Reviews from our Customers
Georgina R.
Upgrade Construction Corp. reinstalled the window sills in our historical garages that were badly cracked. We are satisfied with the results.
Hala F.
The team showed up in just one call and promptly repaired the damaged lintels of the facade. Good services.
Quries
Frequently Asked Questions
How do I know if my lintels or sills need repair?
You can identify the following signs that your lintels and sills need to be repaired:
- Windows
- Rust stains
- Spalling bricks
- Water leaks around the window
Do you work on landmark or historic buildings?
Yes! Upgrade Construction Corp. works on historical buildings and offers top-class window sills & lintels repair services.
Can you handle multiple windows at once?
Yes, obviously! Upgrade Construction Corp. repairs multiple windows at once in a building while efficiently fixing their damage.
What causes sills and lintels to fail?
Here are some important factors that cause failure of your sills and lintels:
- Water penetration
- Corrosion
- Freeze-thaw damages
- Building settlement
Do you include waterproofing?
Yes! After installing or repairing the window sills, we make sure to coat your windows with waterproof sealants for lasting protection and durability.
Do you provide services near me?
Upgrade Construction Corp. is providing services all over New York City, including Brooklyn, Westchester, Manhattan, the Bronx, and Queens. For free inspections & quotations, reach out to us through our number, +1 (347) 863-2290, or email us at Upgradecontractingcorp@hotmail.com.
Connect With Our Contractor Instantly!
Contact us promptly on our number or via email for free assessments and quotations. We are here for you 24/7 to help you with every project from start to finish. Start your project with us today!