At designated roof sections, remove and discard: existing modified bitumen (or other membrane)
Alteration or repair at 1301 Delaware Ave SW, Washington
DC Department of Buildings permit B2606195: issued Jul 27, 2026 for alteration or repair work at 1301 Delaware Ave SW. At designated roof sections, remove and discard: existing modified bitumen (or other membrane), associated flashings and insulation down to the surface of the existing wood deck. Refasten existing wood decking, install: 3" thick base layer of flat polyisocyanurate insulation, mechanically fastened; 2 1/2" thick second layer of flat polyisocyanurate insulation m; mopped; tapered polyisocyanurate insulation (1/8"per foot) with minimum thickness of 1.5;" mopped; roofing manufacturer's recommended cover board, mopped; 4-ply asphalt and fiberglass felt built-up roofing memberane plus cap sheet with bright white reflective roofing granules and associated bituminous, and sheet metal flashings.
- Permit number
- B2606195
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20024
- City's category
- Construction, alteration and repair
- City's status
- Permit issued
- Source
- DC Department of Buildings 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 1301 Delaware Ave SW, and what's permitted nearby
DC Department of Buildings updated its data Oct 6, 2026. We checked it Oct 6, 22:10 UTC. See the city's official records (District of Columbia, CC BY 4.0).
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