HISTORIC WINDOWS

The Proper Bostonian Historical Replacement Window is approved by historical commissions throughout Boston neighborhoods and surrounding towns.

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Providing a turn-key solution, JB Sash & Door makes the replacement of historical windows a seamless process for both the homeowner and contractor.

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JB Sash has installed The Proper Bostonian Replacement Window in some of the most prominent historical residences and commercial buildings in Boston and nearing towns.

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JB Sash will replace historic windows while keeping the integrity of the historic architecture.

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With The Proper Bostonian, we don’t just make windows. We recreate history.

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JB Sash will work seamlessly with private contractors to ensure that the replacement of historic windows is a success.

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Upgrade the performance of your windows without sacrificing the architectural detail.

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Each historical replacement window is custom-made and provides the latest technology in energy efficiency.

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Historically correct replacement windows and doors dramatically improve curb appeal.

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The Proper Bostonian historic replacement windows are manufactured locally with over 80 years of experience.

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Historic window replacement is easy with JB Sash. We have over 80 years of success designing, building, painting and installing historically accurate windows in Boston and surrounding areas.

Our Proper Bostonian replacement windows are second to none.

 

Quality the Stands the Test of Time

  • Custom reproductions that MATCH existing windows and fit any brick or wood opening
  • SUPERIOR CRAFTSMANSHIP with solid wood construction, true divided light and insulated glass
  • UPGRADED FUNCTIONALITY with tilt wash, sound reduction and increased energy efficiency

Time-Saving, Turnkey Solution

  • FREE on-site measurements and estimate
  • Collaboration with your architect and builder/remodeler
  • Thorough photography, drawings and application for Boston Landmark Commission and other historical commission approval
  • Complete permit application and approval service
  • Full design, construction, painting, delivery and installation

The Proper Bostonian Window Features

Architectural Features

  • Residential and commercial options
  • Solid pine or mahogany construction
  • Custom frame to fit any brick or wood opening
  • True divided light with insulated glass
  • Muntin bars available in the size required to meet your specs
  • Traditional glazing compound at muntin bars
  • Low profile bronze spacer on insulated glass
  • Architecturally correct sticking
  • Authentic Boston-style window frame
  • No visible jamb liner to exterior maintaining historic look
  • Historic sill to match those in field.

Insulating Features

  • Natural insulation of wood sash and frame
  • R-Value for insulated glass over two times greater than single glazing
  • Tilt-In/Take-Out balance on bottom sash allowing for expansion and contraction of wood
  • Insulation of weight pockets by removal of existing weights and cords
  • Premium quality weather-stripping at top rail, bottom rail and meeting rail
  • Grip-tight window lock