2026-07-09
1082 Huff Rd NW Roof (LC) (CC) -- TPO RETROFIT ROOF - 7,400 SF
1. Existing R-Panel Metal Roofing panels to remain.
2. Install metal roof decking over existing skylights panels.
3. Wood Nailer: Install 1x Wood Nailer over the existing metal roof panels at all eave and rake edges. Nailer to be fastened
through the existing metal panels into the steel purlins with screws.
4. Insulation: EPS (Expanded Polystyrene) and ISO (Polyisocyanurate) - Simultaneously Mechanically Fastened
a. Base Layer of Insulation between the panel ribs: 1.25" EPS (Expanded Polystyrene)
b. Over the Base Layer: 1" ISO (Polyisocyanurate)
c. Mechanically attach both insulation boards with screws and insulation plates per manufacturer's specifications
3. TPO System: White GAF 60-mil TPO
a. Attachment: Mechanically Fastened w/ Screws & Plates to the existing steel purlins.
b. Walls and Curbs: Install standard TPO base flashing per manufacturer's specifications.
4. Sheet Metal: 24 GA Steel w/ Kynar Finish (Standard Colors)
a. Install Drip Edge Flashing at Eave and Rake Edges
b. Existing Gutters and Downspouts to Remain - NO WORK
5. Accessories:
d. Plumbing Boots
e. Sealant, Fasteners, and Adhesive as needed.
6. Warranty: GAF 20-Year NDL Warranty and 2-Year Contractor Warranty
Reported project value $33,284
Application Square Footage 7400
Professionals on this permit GTS Consulting LLC (General contractor)