Proposal for TPO Roofing System
Hester Roofing
4026 Castle Pines Way
Corona, CA 92883
Office: (951) 805-4705
CSLB #908215
State Fund Workers’ Comp #9095577
Project Scope: Installation of GAF EverGuard 60 Mil TPO Roofing System Total Contract Amount: $148,200.00
Scope of Work: TPO Roof System
Hester Roofing shall furnish all labor, materials, supervision, and equipment necessary to install a mechanically attached GAF EverGuard 60 Mil TPO roofing system over ½" Struct 1 plywood sheathing and ½" Polyiso barrier insulation board, in full compliance with the California Building Code, CAL/OSHA, and California prevailing wage laws.
Work to include the following:
1. Install ½" Struct 1 plywood sheathing over the existing metal deck, mechanically fastened per building code.
2. Install ½" EnergyGuard NH HD Polyiso cover board, mechanically fastened per manufacturer’s specifications.
3. Install one layer of GAF EverGuard 60 Mil TPO membrane, mechanically fastened per manufacturer requirements.
4. Hot air weld all seams and edges for a watertight seal.
5. Install 5" face, 24-gauge galvanized edge metal at all perimeter edges, mechanically fastened and stripped in per manufacturer’s details.
6. Fully adhere wall flashings with termination bars at the tops of all vertical surfaces per GAF details.
Inclusions
• Provide all materials, labor, supervision, equipment, and tools to complete scope.
• Full compliance with CAL/OSHA safety standards, including certified fall protection practices.
• All personnel compensated at California prevailing wage rates per applicable public works requirements.
• Maintain and submit certified payroll records in accordance with DIR requirements. • Daily cleanup and removal of all project-related debris. • Estimated project duration: 15 business days, weather permitting. • Includes 10-year workmanship warranty from completion date.
General Contractor Responsibilities
• Roof anchor points required for OSHA-compliant fall protection must be supplied and installed by the general contractor prior to start of roofing work. • Structural repairs, substrate replacement, or unforeseen deck conditions are excluded unless identified and approved via change order.
Payment Terms
Total Contract: $148,200.00
7. Initial Deposit – $50,000.00
Due upon contract signing. Secures project scheduling, mobilization, and initial material procurement.
8. Phase 1 Payment – $34,000.00
Due upon completion of plywood installation.
9. Phase 2 Payment – $34,000.00
Due upon completion of TPO roofing system installation on the upper canopy roof.
10. Final Payment – $30,200.00
Due upon completion of the lower canopy roof and final walkthrough, including any outstanding punch list items.
All invoices are payable within 10 calendar days of issuance.
Terms & Conditions
• All materials shall be as specified or equal in quality. • Work shall be performed in a substantial and workmanlike manner, following current industry standards and all manufacturer requirements.
• Changes to the scope will only be made by written change order and may affect the final price and/or timeline.
• Proposal assumes compliance with California Labor Code §1720, with all work performed under public works and prevailing wage requirements.
Jobsite Conditions & Limitations of Liability
• Hester Roofing shall not be held liable for any damage to the roofing system or associated work caused by other contractors, tradesmen, or unauthorized personnel after our work has been completed or while it is in progress. • Protection of Work: Once roofing materials are installed, it is the responsibility of the general contractor and/or owner to protect completed roofing areas from damage by other trades.
• Damage by Others: Any damage to the installed roofing system, components, or work area caused by other trades (e.g., HVAC, electrical, framing, plumbing, etc.) will not be covered under Hester Roofing’s warranty. Repairs required due to such damage will be billed separately.
• Access Control: Hester Roofing must be notified of all scheduled work by other trades that may require rooftop access. Unauthorized access or activity on the roof by others voids warranty coverage for affected areas.
• Inspection Before Final Walkthrough: A joint walkthrough inspection will be conducted upon completion of roofing work. Any damage discovered after this walkthrough will be presumed to have occurred post-completion and may require a change order for repair.
Acceptance of Proposal
The above prices, specifications, and conditions are satisfactory and are hereby accepted. Hester Roofing is authorized to proceed with the work as outlined.
Client Signature: ____________________________ Date: ___________________ Contractor Signature (Hester Roofing): _____________________ Date: __________