1212 Valence St

HDLC Certificate of Appropriateness

1. Removal and Disposal: Remove, haul, tear-off, and dispose of one layer of the existing roof.
2. Roof Deck Nailing: Nail the existing roof deck with 8d ring-shank nails spaced at 4 inches on center per F-RR-3 standards.
3. Deck Sealing: Install deck tape on decking seams across the entire roof to enhance sealing.
4. Waterproofing: Install Weatherlock Owens Corning Ice & Water Shield per local building codes. Use WeatherLock® Mat Self-Sealing Ice & Water Barrier in valleys and around openings.
5. Underlayment: Install double layer of RhinoRoof synthetic underlayment for additional moisture and wind-driven rain protection. This creates a bond break between the shingles and the Ice-and-Water shield.
6. Drip Edge: Replace the existing drip edge with a new fortified drip edge that extends 1/2 inch below the sheathing and a minimum of 2 inches back onto the roof. Secure the drip edge to the roof deck with mechanical fasteners at a maximum of 4inches apart.
7. Starter Shingles: Install Owens Corning double-sided starter shingle rolls along the entire perimeter of the roof.
8. Shingles: Use Owens Corning™ DURATION®
9. Hip & Ridge Shingles: Install Owens Corning™ PROEDGE® Hip & Ridge Shingles.
10. Ridge Vent: Install Owens Corning ridge vent/ eave vents for proper ventilation.
11. Bullet Boots12. Flashing: