Remove and dispose of existing roof system down to existing wood decking
Roofing at 320 Commonwealth Av, Boston
Boston Inspectional Services Department permit ALT444684: issued Jun 30, 2015 for roofing work at 320 Commonwealth Av. Remove and dispose of existing roof system down to existing wood decking. Install new pressure treated nailer at perimeter to match height of new insulation. Install 6mil Poly Vapor Barrier over existing wood decking to meet MA building code. Install Polyisocyanurate insulation boards mechanically fastened with approved roofing plates and screws. Install Firestone 0.60mi black EPDM Membrane over newly installed insulation. Membrane will be fully adhered. Dismantle and dispose of existing roof top deck area. Construct new roof top deck to match existing with pressure treated lumber as directed in Engineered plans.
- Permit number
- ALT444684
- Issued
- Type of work
- Roofing
- Status
- Finished
- Reported cost
- $40,005
- ZIP code
- 02115
- City's category
- Roofing, Long Form/Alteration Permit
- City's status
- Closed
- Source
- Boston Inspectional Services Department permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 320 Commonwealth Av, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 16:58 UTC. See the city's official records.
For agents and scripts: This page as Markdown ยท JSON