Window Master

Window Master is a full service window restoration and window renovation company. We specialize in the installation of insulated glass in old window sash. Many of our applications incorporate a patented system known as Bi-Glass which is a unique single-to-double pane window conversion.

Our services include:

• Authentic window restoration within preservation and historical guidelines
• Restoration with weather-stripping packages including insulation of weight pockets
• Renovating existing sash and upgrading balance systems with jambliners, tape balances, or hidden balances
• Installation of new insulated glass in existing window sash, while maintaining the historical profiles

Our clients include:

Colleges

• Silsby Hall, Dartmouth College, (Restoration and Bi-Glass), Hanover, NH
• Morgan Hall, (Restoration and Bi-Glass) William College, Williams, MA
• Starr Library, (Restoration, Bi-Glass, and Reproduction sash), Middlebury College, Middlebury, VT
• Williams Hall South Façade, (Restoration and Bi-Glass), UVM, Burlington, VT
• Lowell House Tower, (Restoration), Harvard University, Cambridge, MA

Town and City Halls

• Montpelier City Hall, (Restoration and Bi-Glass), Montpelier, VT
• Newport City Hall, (Restoration and Bi-Glass) Newport, NH
• Bedford Old Town Hall (Restoration), Bedford, NH
• Gorham Town Hall, (Restoration and Bi-Glass), Gorham, NH
• Peterborough Town House, (Restoration and Bi-Glass), Peterborough, NH
• City Hall Annex, (Restoration and Bi-Glass), Manchester, NH
• Exeter Town House, (Restoration and Bi-Glass), Exeter, NH

Libraries:

• Richards Library, (Restoration and Bi-Glass), Newport, NH
• Silsby Free Library, (Restoration and Bi-Glass), Charlestown, NH
• Canaan Free Library, (Restoration and Bi-Glass), Canaan, NH

Historic Buildings:

• 20 Beacon Street Condominiums, (Restoration, Bi-Glass, and Reproduction sash), Boston, MA
• 32 Joy Street Condominiums, (Restoration and Bi-Glass bent glass), Boston, MA
• 438 Marlborough Street Condominium, (Restoration, Bi-Glass, and Reproduction sash) Boston, MA
• Whitten Mill, (Restoration and Reproduction sash), Whitten Mill, MA
• Red Shop Museum, (Restoration and Reproduction sash), Hopedale, MA
• Gough House, (Restoration and Reproduction sash), West Boylston, MA
• Mariposa Museum, (Restoration, Bi-Glass, and Reproduction sash), Peterborough, NH