WINDOW RESTORATION

Preserve the character and craftsmanship of your original windows. We repair, rebuild, and weatherize historic wood windows to improve efficiency and extend their life—all while maintaining their authentic architectural detail.

❈ Preserve history – Maintain the craftsmanship and character of original architecture

⛅︎ Improve efficiency – Weatherstripping, reglazing, and repairs boost performance without replacement

♺ Sustainability – Restoration reduces waste and supports eco-friendly building practices

☻ Cost-effective – Skilled repairs often cost less than full replacement over time

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Why Restore?

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window restoration, wood window fix, Delaware, New Jersey, Pennsylvania, old home, ap lohmann, sustainable design, restoration, historic restoration, family business, window restoration, wood windows, wood doors, carpentry

WINDOW RESTORATION 

Services

  • We repair and reinforce deteriorated wood, strip old paint, and refinish with weather-resistant coatings.

  • Cracked, foggy, or inefficient glass? We replace it while preserving the original frame structure.

  • Sticking hinges, broken latches, or missing handles—we restore or source authentic replacements to keep your doors and windows functional and secure.

  • Restore smooth functionality to double-hung windows with new cords, counterweights, and tune-ups.

  • We repair or install historically appropriate weather stripping to eliminate drafts while preserving original windows.

Featured Window Restoration Projects

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    18th Century School House

    Complete restoration of 18th-century schoolhouse windows with custom storm windows and linseed oil finishes.

  • L.P Worthington House

    Doylestown, PA, windows and shutters restored for historic durability.

Custom Storm Windows

Preserve. Protect. Perform.

Our custom storm windows are designed to fit historic windows perfectly—preserving their original look while adding modern energy efficiency, weather protection, and noise reduction. With low-profile frames and multiple finish options, they blend seamlessly with any period-style home.
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Paint Services Offered

  • wood windows repairs, Window restoration and preservation, wood repairs, wood windows, historic

    Conventional Paint

    Modern paints—such as acrylic latex and alkyd enamels—are widely used today and provide a different form of protection. They seal the surface to create a durable barrier against moisture and UV exposure, offer a broad range of color options to complement any design, and require less short-term maintenance.

  • wood window window repairs, window restoration, weather stripping, reglazing, historic window restoration

    Linseed Oil

    Linseed oil is a traditional, plant-based finish that penetrates deep into the wood fibers, nourishing and strengthening the material from within. We source ours from Earth + Flax, a company known for crafting high-quality, sustainable, and historically accurate finishes.

    Visit Earth + Flax website

Our Process

Step 1

Site Visit and Consultation

Step 2

Expert Historic Window Restoration

Step 3

Thoughtful Installation

Let’s Work Together

Window restoration, window preservation, historic homes, older homes
  • 2025 Pennsylvania Historic Preservation Awards
  • Window Preservation Standards Collaborative board member
  • Window Preservation Alliance (WPA) member
  • EPA Lead-Safe Certified Firm
  • Preservation Pennsylvania member
  • ADTI Delaware Valley MEMBER
  • Thornbury Township, Delaware County historic preservation board member