Roofing Invoice Template: Squares, Layers, Change Orders

Short answer: A roofing invoice template bills in squares — 100 square feet of actual roof — with the pitch factor applied to the footprint. At 6/12 that factor is 1.118, at 12/12 it is 1.414, so billing off floor area shorts you 5 to 40 percent. Show tear-off per layer, decking replacement at the unit price the estimate set, underlayment, ice barrier, drip edge, ridge vent by the linear foot, penetrations by count, and disposal.

A roof is billed for surface nobody standing in the driveway can see, using a unit most homeowners have never heard of, after a day that uncovered things the estimate could only guess at. That combination is why roofing invoices get questioned more than most. The fix is a document where the squares are shown with their arithmetic, the layers are counted, and every discovered item carries the price that was agreed before the first shingle came off. The general field checklist in what to include on an invoice applies; everything below is the roofing part.

What goes on a roofing invoice template?

Twelve blocks. The measurement block and the discovered-work block are the two that turn a phone call into a payment.

Block	What it has to say
Header	Company, contractor license number, invoice number, issue date, due date
Property	Address, stories, roof access notes, driveway used for the dumpster
Measurement	Footprint area, pitch by section, pitch factor applied, total squares billed
Tear-off	Squares removed, and how many layers came off each section
Decking	Sheets replaced, thickness, at the unit price from the estimate
Underlayment and barriers	Synthetic underlayment in squares, ice and water barrier in linear feet by location
Field material	Shingle line and color, starter, hip and ridge cap, in squares or linear feet
Metal and flashing	Drip edge, valley metal, step and counterflashing, pipe boots, by foot or by unit
Ventilation	Ridge vent linear feet, static or powered vents by count, intake
Disposal	Dumpster size and count, or tonnage, plus the magnet sweep
Permits	Permit number printed, fee at cost, inspection result
Terms	Deposit applied, balance due, warranty terms, payment methods

Name the shingle line and the color. Not “architectural shingles” — the actual product line, the color, and the number of squares installed. That single line is what a manufacturer warranty registration, a future repair, and an appraiser all read.

How do squares and pitch factor show up on the invoice?

Print the math on the invoice, not just the result. A homeowner who was told “1,780 square feet” by a real estate listing needs to see how that became 25 squares, or your number looks inflated.

Pitch	Pitch factor	A 1,780 sq ft footprint becomes
4/12	1.054	1,876 sq ft
6/12	1.118	1,990 sq ft
8/12	1.202	2,140 sq ft
10/12	1.302	2,318 sq ft
12/12	1.414	2,517 sq ft

Bill from the footprint and you undercharge by about 5 percent on a shallow roof and by 41 percent on a 12/12. That is the most expensive arithmetic error in the trade, and it is invisible — the job just quietly loses money and nobody can say why. The takeoff logic behind those squares belongs in the roofing estimate template; on the invoice, show the footprint, the factor, and the result on one line so the customer can follow it.

Steep pitch and height are separate lines, not a bigger square rate hidden in the middle. Past roughly 7/12 a crew stops walking and starts staging, and a second story adds ladder time to every trip. OSHA requires fall protection for residential construction work six feet or more above a lower level under 29 CFR 1926.501, so anchors, harnesses, and roof jacks are real hours and real equipment. Put them on a line called steep and height access, priced per square, and the customer sees a cost rather than a markup.

Which lines always change between the estimate and the final bill?

Three of them, on almost every job. Everything else should transfer from the estimate word for word.

Line	Why it moves	How the invoice handles it
Tear-off layers	You cannot always count layers from the ground	Bill per layer per square: first layer at one rate, each additional layer at another
Decking replacement	Rot and delamination are under the shingles	Count sheets, bill at the estimate’s per-sheet unit price, photograph every one
Flashing and boots	Condition only shows once the shingles are off	Replace and bill by count, or note reused with the customer’s agreement

A second layer is not half a job — it is a full second removal, twice the debris weight, twice the dumpster, and slower work because the deck below is unknown. Bill it as its own line: “Tear-off, second layer, main roof only, 19.9 sq.” Anyone reading that understands immediately why the number moved.

How do I bill decking replacement the customer never saw?

With a unit price agreed before the roof was opened, a count, and photographs. This is the single most disputed line in residential roofing, and the entire dispute is preventable at the estimate stage.

The pattern: the estimate carries a line reading “decking replacement, 7/16 in OSB, $78 per 4x8 sheet, billed as used, zero included.” Nothing is in the total. On tear-off day you photograph each bad section with something for scale, text the count and the number to the homeowner, get a reply, and the invoice shows nine sheets at the price they already knew.

Never bill decking as a lump sum “wood repair” figure. Sheets are countable, photographable, and cheap to defend. Lump sums are none of those things.

What does a filled-in roofing invoice look like?

Full replacement on a two-story house: main roof 1,780 square feet of footprint at 6/12 with two layers, attached garage 480 square feet at 4/12 with one layer, architectural shingles. Every rate below is a placeholder from one market. Roofing prices swing hard with local labor, disposal fees, insurance costs, and the season — copy the structure, not the numbers.

INVOICE #2026-0612 · Issued August 19, 2026 · Balance due on receipt Fairmount Roofing · License #RC-31904 Property: 22 Windham Road · Permit #B-2026-4471, final inspection passed August 18

Measurement: main roof 1,780 sq ft footprint × 1.118 (6/12) = 1,990 sq ft = 19.9 sq. Garage 480 sq ft × 1.054 (4/12) = 506 sq ft = 5.1 sq. Total 25.0 squares. 30 squares of shingles ordered to cover waste, starter, and cap.

#	Description	Qty	Rate	Amount
1	Tear-off, first layer — main roof and garage	25.0 sq	$58.00	$1,450.00
2	Tear-off, second layer — main roof only, found at tear-off	19.9 sq	$42.00	$835.80
3	Decking replacement — 7/16 in OSB, 4x8 sheets, unit price per estimate line 12, photos sent August 15	9 ea	$78.00	$702.00
4	Synthetic underlayment, full coverage	25.0 sq	$34.00	$850.00
5	Ice and water barrier — eaves 168 lf, valleys 46 lf	214 lf	$3.40	$727.60
6	Drip edge, painted aluminum, eaves and rakes	216 lf	$2.75	$594.00
7	Architectural shingles installed — line and color as selected, starter course included	25.0 sq	$265.00	$6,625.00
8	Ridge vent — cut, install, and cap	42 lf	$12.50	$525.00
9	Hip and ridge cap shingles	68 lf	$7.20	$489.60
10	Pipe boots, replaced	4 ea	$48.00	$192.00
11	Step flashing at sidewall and chimney counterflashing, replaced	1	$585.00	$585.00
12	Disposal — 20 yd dumpster, haul, and magnet sweep of grounds	1	$625.00	$625.00
13	Permit and inspection, at cost	1	$215.00	$215.00

Subtotal	$14,416.00
Deposit received at material delivery	-$4,000.00
Balance due	$10,416.00

Warranty: workmanship warranty per contract; manufacturer material warranty registered in the owner’s name, certificate to follow by email. Not included: gutters, fascia and soffit repair, chimney masonry, interior ceiling repair, and any framing work below the decking.

That works out to $577 per square all in, on a two-layer tear-off with nine sheets of decking. Divide the total by squares on every job you bill — it is the fastest sanity check there is, and it exposes a mispriced roof faster than any spreadsheet.

How does an insurance claim change the roofing invoice?

More than most contractors expect, and the differences are all documentation.

Item	How it works on the invoice
Scope	Your line items should describe the same work as the carrier’s approved scope, in the same order
ACV payment	The first check is actual cash value: replacement cost minus depreciation, minus the deductible
Recoverable depreciation	Released only after a final invoice showing the work was completed — that document is the trigger
Deductible	The homeowner’s money. Never write anything on an invoice suggesting you absorbed or rebated it; several states make that a criminal matter
Supplements	Code-required items the original scope missed — ice barrier, drip edge, ventilation, extra layers — billed with photos and the code section cited
Overhead and profit	A separate line when the carrier approved it, not blended into the square rate

The practical rule on insurance work: your final invoice is a completion document, not a sales document. It should be legible to an adjuster who never saw the house, which means squares, layers, linear feet, counts, permit number, and dates.

When do I collect, and what terms go on the page?

Roofing is a one-day trade with a five-figure invoice, and that combination makes the collection window unusually short and unusually important.

• Deposit at material delivery, not at contract signing. It ties the money to something the customer can see on their driveway, and several states regulate home improvement deposits.
• Balance on completion, collected the same day. Present the invoice at the tailgate with the dumpster still hooked up and a payment link as a QR code on your phone screen. The gap between collecting on day zero and chasing on day thirty is most of what how to get clients to pay covers.
• Final walkthrough before you ask. Magnet sweep done, gutters cleared of granules and nails, landscaping checked, photo set handed over. People pay faster when the last thing they saw was thorough.
• Warranty split stated. Workmanship years are yours; material years are the manufacturer’s and usually require registration. Say which is which.
• Lien deadlines tracked separately. Preliminary notice and filing windows run from first work or first delivery under state statute, not from your invoice date.

What do I keep after the roofing invoice goes out?

The photo set before, during, and after tear-off. The decking count text thread. The supply house and disposal receipts. The permit card and inspection result. The manufacturer warranty registration. For an insurance job, all of it doubles as the file the adjuster asks for when the depreciation is released.

Keel is an iOS app that runs entirely on your device — no account, no bank connection, no cloud, no login, and an App Store privacy label reading Data Not Collected. The invoice gets written where the job ended, on a tailgate, with your logo, your numbering, your brand color, and a QR payment link the homeowner scans before the crew has strapped the ladders down. The dump ticket and the supply house receipt are photographed on the spot and read on device by Apple Intelligence, so the $625 disposal line has a document sitting behind it. The ledger is append-only and hash-chained, so a change order dated the day of tear-off still reads that date when a carrier questions it in November — which is exactly the kind of scrutiny an insurance file attracts. Trips to the supply yard and back to the site are logged as mileage. The same discipline described in the contractor receipt organizer applies, only without the shoebox. Free is $0 with unlimited invoices, receipts, and mileage; Keel Pro is a one-time $249.99 Lifetime purchase, not a subscription.

Frequently asked questions

What should a roofing invoice include?

Invoice number and date, property address, the measurement math showing footprint times pitch factor equals squares billed, tear-off by layer, decking sheets replaced at the agreed unit price, underlayment and ice barrier, shingle line and color, drip edge and flashing, ridge vent by linear foot, penetrations by count, disposal, permit number, deposit applied, balance due, and the workmanship and material warranty terms.

How do you calculate roofing squares for an invoice?

Measure the footprint area including overhangs, multiply by the pitch factor for each roof section, then divide by 100. A 1,780 square foot footprint at 6/12 becomes 1,990 square feet, or 19.9 squares. Bill the finished squares and carry waste inside the material quantity you ordered. Print the calculation on the invoice so the number can be followed.

How do I bill for rotten roof decking found during tear-off?

Set a per-sheet unit price in the estimate with zero sheets included, then bill only what you used. On the day, photograph each bad area, text the homeowner the count and the total, and wait for a reply before installing. On the invoice, show sheets, thickness, unit price, and the date the count was approved. Lump-sum wood repair charges invite disputes.

Can I charge more for a steep roof on the invoice?

Yes, as a separate stated line rather than an inflated square rate. Above roughly 7/12 the crew stages instead of walking, which means roof jacks, planks, anchors, and harnesses, plus slower material movement. Height adds ladder cycles on every trip. Price it per square as steep and height access so the customer reads a cost item instead of suspecting a padded number.

How does a roofing invoice work with an insurance claim?

Match the carrier’s approved scope line for line. The homeowner receives an actual cash value payment first, with the deductible and depreciation withheld; the recoverable depreciation is released after you submit a final invoice proving completion. Bill supplements for code-required items separately with photos and the code citation. Never indicate on any document that the deductible was absorbed or discounted.

When should a roofer collect final payment?

The day the job finishes, after the magnet sweep and the walkthrough, before you leave the property. A roof is a single-day, five-figure transaction with no ongoing service relationship to lean on, so the collection window is narrow. Take a deposit at material delivery rather than at signing, then present the balance on site with a card or bank payment option ready.

---

This article is general information, not professional or tax advice.