Is $11,500 to replace roof with architectural shingles a fair price?

This quote is for replacing a 13 square (1300 sqft) roof, which currently has double-layered shingles. The price includes a 5% cash discount. The work involves: - Permits: Included - Debris Removal: Hauling away all old roofing materials, including double-layered shingles - Plywood Replacement: Replacing approximately 6 squares (600 sqft) of rotted plywood - Fascia and Gutters: Replacement around the area where the leak originated - Ice and Water Shield: Application 6 ft along all eaves, 3 ft in valleys, and 18-24 inches around all penetrations, skylights, walls, or chimneys - Deck Tape: Applied over all plywood seams - Starter Shingles: Installed along all roof edges - Shingle Fastening: Shingles to be secured with ring-shank nails - Shingle Type: IKO Dynasty shingles - Roof Warranty: 50-year warranty on the roof - Shingle Granule Warranty: 15-year warranty on the copper/anti-moss granules in the shingle

This quote is for a complete roof replacement on an 850 sqft house, including tear-off, inspection, and installation of new materials. - Tear off: Existing roof to deck boards - Framing Inspection: Quality of existing framing will be inspected - Plywood Replacement: Any sheets of plywood will be replaced if needed. Cost of material/plywood plus $30 labor per sheet. - Drip Edge: Install two-inch white galvanized drip edge on all edges of the roof - Ice and Water Shield: Install six feet up the eaves edge, 18 inches up the walls, around chimneys, and valleys - Underlayment: Synthetic underlayment for the rest of the roof - Shingles: Install shingles to match existing shingles on the rest of the house - Shingle Warranty: 50-year warranty on shingles - Shingle Accessories: Includes starters, seal a ridge cap, and ridge vent - Debris Removal: All debris exposed with a dump trailer - New Components: All new pipe boots, vents, and flashing - Work Warranty: 30-year warranty provided for all work being done - Insurance: Roofing Contractor Liability Insured; homeowner not responsible for any injuries related to or on job site

- Remove existing shingles down to the deck. - Re-nail any loose wood. If bad or rotten wood is discovered, it will be replaced at a price of $70 per sheet. - Install Tri-Built Ice & Water shield in all valleys. - Install Tri-Built Synthetic felt underlayment to keep the roof dry. - Install Tri-Built Starter Shingles along all gutter lines and rake edges. - Install drip edge along all rakes and eaves. - Install IKO Dynasty Shingles per specifications using 1 ¼” roofing nails. - Install IKO hip and ridge shingles. - Install new ridge vent. - Install new pipe and chimney flashings. - Clean up all job-related debris. - Provide 12 yr workmanship warranty. - Provide the owner with an IKO Limited Lifetime Warranty. - RHR will apply for all necessary permits. - Crews are licensed and insured. - Crews will maintain safety requirements at all times during the construction process.