Architectural Shingle Roof Replacement Proposal Template
Contractor-grade scope of work for residential roof tear-offs and replacements. Protects your margins on rotted decking, valley flashing, and manufacturer certifications.
Complete Scope of Work
Copy or customize these verbatim specifications into your contractor proposal.
1. Tear-Off, Deck Inspection & Site Protection
Property protection and substrate preparation.
- Install protective tarps and plywood shielding across landscaping, gutters, air conditioners, and siding.
- Tear off existing layer(s) of composition shingles down to raw roof decking.
- Inspect all roof sheathing for rot, deflection, or mold; re-nail all loose substrate with ring-shank nails.
2. Underlayment & Leak Barrier System
Multi-layered water barrier installation.
- Install self-adhering ice and water protection membrane extending minimum 36 inches inside exterior wall line at all eaves, valleys, rakes, and penetrations.
- Cover remaining roof deck with breathable high-traction synthetic underlayment fastened with plastic cap nails.
- Install heavy-gauge corrosion-resistant metal drip edge along all eaves and rakes.
3. Shingle Application & Flashing Integration
Installation of architectural shingles and metal flashing.
- Install manufacturer-approved starter strip shingles along all eaves and rakes to ensure 130 MPH wind warranty.
- Fasten architectural laminate shingles with 6 hot-dipped galvanized roofing nails per shingle in high-wind nail zone.
- Replace all valley flashing with W-valley metal or closed-cut valley, and install new heavy-duty pipe boots.
- Replace or counter-flash all step flashing along masonry chimneys and sidewalls.
4. Ridge Ventilation & Magnetic Cleanup
Attic exhaust ventilation and nail sweep.
- Cut back roof deck 1 inch on both sides of ridge beam to establish continuous exhaust airflow.
- Install baffled ridge vent system with matching high-profile ridge cap shingles.
- Perform continuous magnetic roller sweeps around perimeter of property to collect stray roofing nails.
- Haul away all debris and leave job site clean.
Standard Line-Item Material Allowances
Clear material specifications that protect against ambiguous scope arguments.
| Component / Assembly | Standard Specification | Unit / Allowance |
|---|---|---|
| Architectural Shingles | Lifetime Limited Warranty Class A Fire Rated Shingles | Per Square |
| Synthetic Underlayment | High-tear-strength woven polypropylene | Per Roll |
| Ice & Water Shield | Self-adhering SBS modified bitumen membrane | Per Roll |
| Drip Edge Flashing | Aluminum or galvanized steel F-style drip edge | Linear Feet |
| Continuous Ridge Vent | Baffled polypropylene ridge vent with external baffle | Linear Feet |
| Neoprene Pipe Jack Boots | Heavy-duty UV-rated flexible flashing boots | Per Pipe |
Scope-Gap Protections: 3 Clauses to Include
These contractual gotchas account for 85% of change-order arguments on architectural shingle roof replacement proposal templates.
The Risk: Rotten plywood cannot be seen until existing shingles are torn off, leading to billing surprises.
Protective Clause: Proposal includes explicit unit pricing for sheet replacement (e.g. $85 per 4x8 sheet 7/16 OSB, labor and materials included).
The Risk: Finding 2 or 3 layers increases dumpster weight and tear-off labor significantly.
Protective Clause: States scope is based on 1 layer tear-off; additional existing layers will be billed at $X per square.
The Risk: Masonry mortar joints may be rotted, requiring brick tuckpointing before counter-flashing can be ground in.
Protective Clause: Specifies that counter-flashing is cut into sound mortar; damaged masonry restoration is excluded.
Governing Building Codes & Standards
Frequently Asked Questions
What wind rating do these architectural shingles carry?▾
When installed with 6 nails per shingle and matching starter course, architectural shingles carry a 130 MPH limited wind warranty.
How does this scope satisfy building code attic ventilation ratios?▾
The scope installs continuous baffled ridge vent combined with soffit intake vents to achieve the 1:150 (or 1:300) net free ventilating area ratio required by IRC Section R806.
Related Roofing Proposal Scopes
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