Information and resources on registering as a home improvement contractor. Includes forms, guidelines and a lot of information.No permit required here unless there is framing involved. If the window is the same size as the old window it is considered maintenance. Large architectural windows and doors, especially those that open and seemingly disappear, allow you to commune with nature, enlarge your home's living space. The Church of the Covenant's Tiffany windows are part of the largest, most extensive and complete Tiffany church interior nationwide. The side of a stairway, landing or ramp has a guardrail or handrail, including balusters or in-fill panels, complying with the provisions of 780 CMR 1003.3. These are best practices for window install and insulation for keeping your house sealed. Construction in Massachusetts! Discover Massachusetts building code requirements for windows, including structural standards, energy efficiency, safety, and compliance tips.