Quick answer: A roof repair proposal identifies a specific defect and limited repair area; a replacement proposal separately defines tear-off, decking assumptions, underlayment, flashing, materials, ventilation, disposal and warranty.
Two roofing quotes can look comparable while covering completely different work. One may assume localized flashing repair; another may include major tear-off and disposal. A clear proposal should show what was inspected, what will be done and which conditions remain unknown.
How to approach the job
- Document roof type, observed condition, visible damage and inspection limitations.
- Identify the repair area, materials, access method, protection measures and exclusions.
- For replacement, separately define tear-off, decking allowances, underlayment, ventilation, flashing, cleanup and permits.
- Include labor, materials, equipment, safety setup, disposal and overhead in the cost basis.
- Describe the change-order process for concealed damage, weather delays and customer-approved changes.
Worked example: hypothetical costs
These are invented numbers to illustrate the method. Replace every input with your actual costs, work scope and local requirements before quoting a customer.
| Illustrative cost or comparison item | Amount |
|---|---|
| Repair crew: 2 people × 6 hours × $42 loaded cost | $504.00 |
| Repair materials | $310.00 |
| Debris handling | $80.00 |
| Access and safety setup | $120.00 |
| Overhead allocation | $180.00 |
The illustrative localized repair cost basis is $1,194. At a 30% target gross margin, $1,194 ÷ 0.70 = $1,705.71. That is not a replacement estimate. A replacement requires its own measurements, materials, disposal plan, access assessment, decking contingencies and applicable permit review.
Important limits and assumptions
The arithmetic is illustrative only, not a regional roofing price. Height, slope, weather, access, material choice and structural conditions affect the job. A spreadsheet cannot determine whether a roof is safe, structurally sound or compliant. Follow applicable safety, licensing and permit requirements.
Make the estimate clear to the customer
Mark the repair area on a diagram or photo, and explain whether adjacent roof sections are outside scope. For replacement, specify the exact material system instead of merely saying 'new roof.' Keep signed scope changes and completion records for later warranty or service questions.
Frequently asked questions
Can a repair proposal guarantee there will be no other leaks?
Avoid promises beyond the inspected and authorized work. Describe the specific repair and applicable warranty terms.
How do I handle hidden decking damage?
State a documented allowance or unit-price/change-order process in advance, subject to local contract requirements.
Use your own figures
Start with the free Roofing Pricing & Profit Calculator to check your own assumptions. For editable customer documents, operations workbooks and related business tools, review the $99 one-time Roofing Complete Toolkit. The downloadable toolkit is separate from any recurring cloud subscription.
Educational illustration only. Verify local taxes, licenses, permits, safety, actual costs and contract terms for each job.