CSL Renewal October 27th: Register to Earn All “12 hours” Continuing Education Credits.

Contractor Solutions

Backed by generations of trust from New England contractors.

Your Trusted Window and Door Partners

When you work with JB Sash for your window and door needs, our partnership is backed by 82 years of trust from contractors in Boston and beyond.

We work closely with you from the earliest stages of a project to ensure success and client satisfaction. 

Your clients’ needs are just as important to us as they are to you, and our full range of services are available to them. 

Connect with our team today to see why New England contractors trust JB Sash & Door. 

Project Support

We dedicate a team of building and remodeling experts to your project. JB Sash offers on-site support to demo products and answer questions on the spot. We make your project run smoothly with budget pricing, shop drawings, and installation guidance. 

See how our custom shop services can help you save time and resources. 

  • Jobsite consultations 
  • Quick response on take-offs &  Proposals
  • In house shop Drawings
  • Value engineering ideas 
  • Product demos & job-site Installation Clinic trainings
  • Project management 
  • Commercial & architectural services 
  • Custom shop services 
  • On-time delivery
  • Dedicated support field service team trained by the manufacturers 

Product Selection

Our quality product selection adds value to your bottom line by eliminating the risk of defects, costly delays, and callbacks. We’ve built long-standing relationships with our manufacturers to meet any specifications and keep you informed on the latest innovations. 

See our selection of products.

Job Site Delivery

Job site delivery is critical for any project’s success. Using a trusted supplier that can handle shipments delicately, efficiently, and correctly means goes a long way. 

With JB Sash, our reputation for quality and excellence dates back generations. Feel the JB Sash difference for yourself. 

Post Delivery Support

We have a dedicated in-house field service team to offer support when you need it most. Successful completion of any job requires this proactive, reliable service and can make a difference to your clients overall experience. 

Whether you need parts or need to repair a malfunctioning window or door, JB Sash offers post-delivery support to your client’s satisfaction.

Custom Shop Services

From custom millwork to our state-of the art paint shop, JB Sash has over 80 years of experience as experts in custom window and door solutions.

Commercial Solutions

Elevate your commercial property with the JB Commercial Solutions team. Our window-and-door professionals restore historic windows, upgrade new builds with the latest energy efficient technology, and everything in between.

Our innovative professionals share knowledge and expertise with project stakeholders from the conception stage through fulfillment of the project.