# What to include in a chimney flashing repair quote

Chimney flashing repair: Measure chimney perimeter, apron and side lengths, roof pitch and access height. See itemized costs, scope boundaries and a matching app PDF.

Canonical: https://quicklyestimates.com/en-us/guides/how-to-estimate-chimney-flashing-repair/
Author: Estimates editorial team
Published: 2026-09-25
Updated: 2026-09-25

For one existing chimney junction, start with a defined scope and measurement basis. Measure chimney perimeter, apron and side lengths, roof pitch and access height. Specify metal or compatible flashing components and any reused covering allowance. Price the listed tasks separately and state the condition that would require a revision: Loose masonry or wet decking changes the base repair.

THE ESTIMATING ANSWER

For one existing chimney junction, start with a defined scope and measurement basis. Measure chimney perimeter, apron and side lengths, roof pitch and access height. Specify metal or compatible flashing components and any reused covering allowance. Price the listed tasks separately and state the condition that would require a revision: Loose masonry or wet decking changes the base repair.

This guide uses one existing chimney junction as a worked, fictional job. Its matching itemized estimate and PDF (https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/) let you trace the advice to actual document lines. The role considered here is roofing contractor. Confirm the site conditions, product selections and your own costs before preparing a client quote.

1. Define the measured job

Replace failed flashing at one chimney-to-roof junction while retaining otherwise sound roof covering and masonry. Measure chimney perimeter, apron and side lengths, roof pitch and access height. Record the measurements and existing condition in the estimate before turning quantities into line items. The scope should make clear why this is a separate project from a broader renovation or maintenance quote.

Measurement basis: Measure chimney perimeter, apron and side lengths, roof pitch and access height.

2. Build a product and labor schedule

Specify metal or compatible flashing components and any reused covering allowance. This example has 7 distinct lines, including roof access and protection, lift adjoining covering, old flashing removal. Use actual supplier prices and labor inputs for a customer job; the displayed amounts are fictional document inputs.

Selections to confirm: Specify metal or compatible flashing components and any reused covering allowance.

3. Sequence the work and handoffs

Inspect masonry joints before lifting nearby covering; protect the opening during work. Show which task depends on access, a selected product or another trade. If that dependency is still open, label the price preliminary and identify the information needed before a firm quote.

Work sequence: Inspect masonry joints before lifting nearby covering; protect the opening during work.

4. Set a change boundary

Loose masonry or wet decking changes the base repair. The example excludes chimney rebuild, roof replacement or interior water-damage repair. Record the discovery, agree the revised work and update the estimate before adding it to the job.

If the job changes: Loose masonry or wet decking changes the base repair.

Worked project calculation

The example line for old flashing removal is 28 linear ft. × $18.00 = $504.00. This line is one part of the complete 7-item estimate and uses a fictional unit rate.

The paired estimate has 7 separate lines. For this fictional job, multiply each quantity by its unit price and add the line amounts to get $4,548.00 . The sample PDF uses these exact values, with tax and markup left at zero so the arithmetic is visible. This total is an illustration, not a regional price or an offer to perform the work.

Chimney flashing repair estimating inputs — USD Cost line | Quantity | Unit price | Line amount |

Roof access and protection | 1 job | $380.00 | $380.00 |

Lift adjoining covering | 1 job | $280.00 | $280.00 |

Old flashing removal | 28 linear ft. | $18.00 | $504.00 |

Flashing material allowance | 32 linear ft. | $42.00 | $1,344.00 |

Form and install flashing | 28 linear ft. | $55.00 | $1,540.00 |

Roof covering reinstatement | 1 job | $310.00 | $310.00 |

Water-shedding check and cleanup | 1 job | $190.00 | $190.00 |

Illustrative subtotal | $4,548.00 |

Scope and pricing boundaries

Replace failed flashing at one chimney-to-roof junction while retaining otherwise sound roof covering and masonry.

Outside this example: No chimney rebuild, roof replacement or interior water-damage repair.

Separately identify supplier allowances, labor, subcontracted work and site-specific risk where they apply. Before giving a selling price, decide how your own overhead, profit and any applicable tax will be handled. Do not copy the fictional rates into a real quote without checking your own measurements and supplier or subcontractor figures.

Before you send the estimate

- Measure chimney perimeter, apron and side lengths, roof pitch and access height.
- Specify metal or compatible flashing components and any reused covering allowance.
- Inspect masonry joints before lifting nearby covering; protect the opening during work.
- Loose masonry or wet decking changes the base repair.

Read the complete chimney flashing repair PDF example (https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/) to see how the scope, individual prices and exclusions appear in a client-facing document. If a condition is still unknown, write that boundary into your estimate and revise the affected line once it is resolved.

Questions about this estimate

Which quantity controls this chimney flashing repair estimate?

Measure chimney perimeter, apron and side lengths, roof pitch and access height.

When should this chimney flashing repair quote be revised?

Loose masonry or wet decking changes the base repair. No chimney rebuild, roof replacement or interior water-damage repair.

(https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/) First page of a fictional chimney flashing repair estimate PDF · View the matching example (https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/)

TURN THIS EXAMPLE INTO YOUR OWN ESTIMATE

Build a chimney flashing repair estimate for your project

Use Estimates on iPhone or Android to draft a scope with AI assistance or enter each line yourself. Review quantities, rates, exclusions, and client details before exporting a PDF. The example is free to inspect; some app features may require an in-app purchase.

Create an estimate ↗ (https://quicklyestimates.com/en-us/download/)Open the itemized PDF example → (https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/)

Continue with a related estimate

- Chimney flashing repair labor and materials estimate example (https://quicklyestimates.com/en-us/samples/chimney-flashing-repair-estimate/)
- Fascia and soffit replacement estimate example (https://quicklyestimates.com/en-us/samples/fascia-soffit-replacement-estimate/)
- Create your first contractor estimate (https://quicklyestimates.com/en-us/guides/create-a-contractor-estimate/)

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