KSP Construction LLC phone (203) 990-3599
SERVING NYC, WESTCHESTER, AND CONNECTICUT

STEEL WINDOWS
RESTORATION & REPAIR

Historic steel window repair, rust treatment, reglazing, sealing, and frame restoration for residential, landmark, and institutional properties.

  • check_circle Free on-site estimate
  • check_circle Historic & landmark experience
  • check_circle Repair-focused solutions

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What We Repair

We restore and repair historic steel windows suffering from:

  • check_circle Rusted or corroded steel frames
  • check_circle Broken glass and failed glazing
  • check_circle Air leaks and water infiltration
  • check_circle Stuck or non-operable windows
  • check_circle Damaged hinges, handles, and hardware
  • check_circle Warped or deteriorated window frames

Our Work

Historic Landmark Steel Window
Historic Landmark Steel Window Detail

Yale University — Woolsey Hall

Steel window restoration of selected historic windows

(Project reference. Scope limited to specific window assemblies, not full building restoration.)

Stained Steel Window Restored
Steel Window Restored Exterior
Workshop Restoration Table
Clearing Steel Window
Restored Vertical Window
Restoration Process
Workshop Restoration
Restoration Project Image
Site Picture

Our Restoration Process

Step 01

Evaluation & Removal

Free on-site inspection. Windows are safely removed if restoration is required.

Step 02

Workshop Restoration

Windows are transported to our restoration facility for specialized repair.

Step 03

Restoration & Hardware Fixes

Rust removal, hardware repair, glazing, and structural restoration.

Step 04

Testing & Quality Check

Each window is tested for airtightness, operation, and durability.

Step 05

Delivery & Installation

Restored windows are returned and professionally reinstalled.

Step 06

Fully Restored & Operational

Windows are sealed, functional, and ready for decades of use.

FINANCING OPTIONS

Available for qualifying large restoration projects.
Contact us for eligibility.

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0% APR No interest up to 12 months
payments
Up to $250,000 Available for qualifying projects
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2-12 year terms Based on eligibility

Testimonials

Client Review 1
Client Review 2
Client Review 3

Ready to Restore Your Steel Windows?

Expert Consultation & Repair Services

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