HISTORIC WINDOWS

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

Share

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

Share

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.

Share

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

Share

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

Share

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

Share

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

Share

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

Share

Historically correct replacement windows and doors dramatically improve curb appeal.

Share

JB Proper Bostonian historic replacement windows are manufactured locally with over 75 years of experience.

Share

index

There are few companies in the United States that know how to design and build historically accurate windows. JB Sash & Door happens to be such a company. We offer a turn-key solution from start to finish for the replacement of historical windows throughout Massachusetts and are the industry leader in designing, building, installing and painting these beautiful works of art. Our JB Proper Bostonian line of replacement windows is approved by the Boston Historical Commission, among others.

Services We Offer

  • Work with customer to put together the "Historical Replacement Window Submittal Packet" complete with drawings, required forms and estimates
  • Obtain all the necessary historic commission approvals
  • Collaborate with local architects, builders and remodelers to ensure your project is granted historic approval
  • Secure all necessary permits to complete job
  • Provide Installation by our JB installation crews if needed
  • Perform free on-site measuring and estimate services
  • Deliver to job site if needed
  • Provide pre-finish painting upon request

JB Proper Bostonian Window Features

Each historical window is custom-made and offers the following architectural and insulating features:

Architectural Features

  • Custom wood window that can mirror exactly what you currently have
  • Servicing both commercial and residential buildings
  • Solid wood window in pine or mahogany
  • Custom frame to fit any brick or wood opening
  • True divided light sash 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
  • No visible jamb liner to exterior maintaining historic look
  • Authentic Boston-style window frame
  • Historic sill to match those in field.
  • Manufactured locally with over 75 years of experience

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