How to Quote Scaffolding: Elevations, Boards and Hire Periods With AI

Measure each elevation, turn its height into lifts, price erecting and dismantling from your labour hours per square metre of face area, add weekly hire for the hire period, count boards from bays and boarded lifts, and list extras separately. Then have AI rebuild the sum from your measurements and flag any line that does not reconcile.

Published guides split a scaffold quote the same way. Zigaflow's July 2026 contract guide takes total area as height times width for each elevation, prices erection either as a fixed charge per elevation or as a day-rate build-up, says dismantling should match or closely reflect erection, quotes weekly hire against a minimum term with extension weeks stated separately, and lists loading bays and hoists as separate items. No guide can supply your labour hours or hire rate, so the figures below are illustrative and the method is what to keep. AI does the arithmetic here; it does not do the engineering.

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Measure each elevation and turn height into lifts

An elevation is one face of the building. A lift is one vertical level of the scaffold, about 2 m (6 ft 7 in) high, although the base lift can be taller on some systems. A bay is the length between standards; its maximum depends on the system and the load the platform must carry, and the illustration uses 2.1 m (6 ft 11 in). A boarded lift carries a working platform, and the top lift usually has guard-rails only. Your own system's manual sets the real rules, and the illustration uses these simple ones: pricing height is the eaves height plus 1.0 m for the top guard-rails; lifts are the pricing height divided by 2.0 m, rounded up; boarded lifts are the lifts minus one; bays are the width divided by 2.1 m, rounded up; face area is the width times the lifts times 2.0 m.

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The job is a two-storey detached house with a hipped roof, wrapped on all four sides for re-roofing and gutter work, plus a single-storey rear extension. Measured on site:

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The face area is 226 m², about 2,433 square feet, and 20 bays. Every price below is built on that single number, which is why the sheet checks it first: if the area is wrong, every line after it is wrong too. A house with gable ends instead of hips needs one more rule. Take the rectangle up to the eaves as above and add the triangle above it, half the width times the rise. For a 7.5 m side with a 3.0 m rise that is 11.25 m² each, 22.5 m² for the pair.

Count the boards from bays and boarded lifts

A common timber scaffold board is about 225 mm (9 in) wide and 38 mm (1.5 in) thick, so a four-board platform is roughly 0.9 m (3 ft) wide. Platform width, load class and board length depend on the design, so treat the rule below as an input to replace. The illustration puts four platform boards across each boarded bay-lift and one toe board on the outside edge, which is five boards. A boarded bay-lift is one bay at one boarded level, so each elevation's count is its bays times its boarded lifts.

Add 5% for hatch boards and ladder access and the pick list is 200 boards. The count does three jobs. It tells the yard what to load, it prices any boards you hire out separately, and it cross-checks the quote against the design: if the drawing shows three boarded lifts and the quote priced two, the board count will not match and the discrepancy shows before the van is loaded. It is a pricing aid, not a design. What a scaffold needs to be safe is a separate question, and the tutorial on whether AI can design a scaffold covers where software helps and where a qualified person is required.

Price erecting and dismantling from labour hours per square metre

Labour is the largest line in this quote, and the only honest source for it is your own time records. Take the total site hours on finished jobs (loading, building, striking and tidying, with travel kept separate) and divide by the face area. The illustration assumes 0.22 labour hours per m² to erect and 0.15 to dismantle. On 226 m² that is 49.72 hours to erect and 33.90 to dismantle, a total of 83.62 hours, or about 2.1 days to build and 1.4 days to strike for a gang of three working eight-hour days.

A labour hour costs $38 loaded (wage plus burden) and carries $11 of overhead, so $49. At a 20% margin the sell rate is $49 divided by 0.80, which is $61.25, listed as $62. Erection is therefore 49.72 hours at $62, or $3,082.64, and dismantling 33.90 hours at $62, or $2,101.80. Zigaflow's guide says dismantling should match or closely reflect the erection cost. Here striking takes 68% of the erection hours, which only your own records can justify. If they show the strike nearly as slow as the build, because of tie removal, tight access or clearing up, use the records. If they show it faster and you price it so, show the two lines separately so a customer can see why.

Weekly hire: from what the stock costs to a price per week

Hire is the return on stock you bought and keep between jobs, so derive it from that stock. Say a square metre of face area carries $38 of tube, fittings, boards and ladders. Depreciation and repairs run at 22% a year, which is $8.36. The stock is out on hire 65% of the year, 33.8 paid weeks, so each paid week costs $0.247 per m². At a 40% margin that is $0.247 divided by 0.60, or $0.412, listed at $0.45 per m² a week. For 226 m² the hire is $101.70 a week.

The quote prices eight weeks because the re-roof is expected to take that long, which makes $813.60. State a minimum hire period, here four weeks ($406.80), charged even if the scaffold comes down early, and say that each extra week is charged at the same rate. Zigaflow's guide suggests putting the extension rate in the quote, invoicing extensions monthly in advance, issuing the extension invoice straight away instead of waiting to recover the hire at the strike, and setting a reminder seven days before the term expires. If the roof runs to eleven weeks, three more weeks add $305.10.

Extras go in as their own lines

Anything the standard run of lifts does not include gets its own line, so the customer sees what it costs and you can drop it without touching the base price. Zigaflow lists loading bays, hoist attachments and stair towers among the items to price separately. In the illustration:

Alterations after the scaffold is up, such as taking out a tie for a window fitter or adding a lift for a chimney, are charged at $62 an hour with a two-hour minimum and agreed before the work starts. They stay out of the total until someone asks for them.

The whole quote, line by line

The margin check rebuilds the cost from the same inputs. Labour is 83.62 hours at $49, or $4,097.38. Delivery and collection cost $280, the stock costs $447.19 for eight weeks at $0.247 per m² a week, and the extras cost about $324.40. Total cost is $5,148.97, so the profit is $1,686.67 and the margin 24.7%. That is below the 40% built into hire and above the 20% built into labour, which is the blend you would expect. Spread over the area, the quote is $30.25 per m² for an eight-week hire, about $2.81 per square foot. Use that as a plausibility check against your past quotes: if a job comes out at half or double your usual rate per m², find the line responsible before you send it.

Having an assistant rebuild the sum and check it

The purpose is a second pair of hands on the arithmetic, not a second opinion on the scaffold. Give the assistant your rules, rates and measurements, tell it not to change any of them, and ask for a pass or fail on each reconciliation check. Any of the main chat assistants will do this from pasted text. Replace the figures with yours, and describe an elevation in words only if you have measured it.

I run a small scaffolding firm. Below are the measuring rules, rates and measurements
for a quote. Rebuild the quote in a spreadsheet layout for Excel or Google Sheets with
formulas, then run reconciliation checks. List every assumption you make and do not
change any rule or rate I give you.

Rules:
- Pricing height = eaves height + 1.0 m; lifts = pricing height / 2.0 m, rounded up
- Boarded lifts = lifts - 1; bays = width / 2.1 m, rounded up
- Face area = width x lifts x 2.0 m
- Boards per boarded bay-lift: 4 platform boards + 1 toe board; add 5% spare

Rates:
- Erect 0.22 labour hours per m2; dismantle 0.15; sell rate $62 per labour hour
- Delivery and collection: 2 trips at $175
- Weekly hire: $0.45 per m2 per week; hire period 8 weeks, minimum 4
- Extras: loading bay $210 plus $14 a week; debris netting on the rear elevation
  at $0.22 per m2 per week; hop-up platform $60

Elevations (name, width in m, eaves height in m):
Front 10.0, 5.0; Rear 10.0, 5.0; Left side 7.5, 5.0; Right side 7.5, 5.0;
Rear extension 4.0, 3.0

Output: one row per elevation (lifts, boarded lifts, bays, face area, boarded
bay-lifts); the board count; each quote line with its working; the total. Then pass
or fail for each check: areas sum to the total; bays times boarded lifts equals
boarded bay-lifts; boards equal boarded bay-lifts times five plus spares; hours times
rate equal the erect and dismantle lines; weeks times weekly hire equals the hire
line; the lines add up to the total; the hire weeks in the quote wording equal the
weeks priced.

Two slips of the kind a first reply can contain, shown beside the correct figures (illustrative):

The first slip is an easy one to make: the sheet used the lifts, not the lifts minus one, as the boarded count, so every elevation carried an extra boarded level and the board list grew by 105. The second is subtler. The hire line used the 4-week minimum instead of the 8 weeks in the brief. It passed its own arithmetic check, because weeks times rate was right for the weeks it had used. The check that caught it was comparing the weeks in the formula with the 8 weeks in the quote wording. When you ask for checks, include one that ties each formula back to the brief. A sheet that is internally consistent can still be wrong about what you asked for.

If the sheet disagrees with your hand figures, paste the two numbers back and ask where they diverge. Then change one input and watch the result move, for example the hire period from 8 to 11 weeks, which should add $305.10. A question you can answer on a calculator is worth asking before a quote goes out. For a wider look at whether a spreadsheet or dedicated software suits a scaffolding yard, see the comparison of software and spreadsheet plus AI.

Mistakes that surface on the second invoice

• A hire period shorter than the job. Quoting four weeks for an eight-week roof job loses $406.80, about 6% of the quote. The customer who was never told the extension rate will argue about the extension invoices as well.
• A missing elevation. Leaving the rear extension off the quote loses $367.04 of erect and dismantle price and $57.60 of hire, $424.64 in all, from a 16 m² elevation that is only 7% of the area. Small elevations are easy to forget because they are easy to see.
• Gable ends priced by eye. If the two sides were gables, the triangles above the eaves add 22.5 m². That is $516.15 more in erect and dismantle price (22.5 m² x 0.37 hours x $62) and $10.13 a week of hire, $81.00 over eight weeks. Put a gable rule in the sheet so nobody guesses.
• A hire clock without a defined end. Say whether hire runs from handover to the customer's call-off, or from handover to the day you strike. The two differ by the days it takes you to get back to the site, and a quote that is silent on it invites a dispute.

Five quotes you have already sent, rebuilt

A sheet that reproduces a total is only half useful. Take five past quotes with their measurements, put them through the same sheet, and compare the sheet's total per m² with what you actually quoted and then what the job really earned. You are looking for lines you habitually underprice. Two patterns to look for once the numbers are side by side: a hire period quoted at the minimum while the real hire ran several weeks longer, with the extension never invoiced because nobody recorded the end date, and an extra, such as netting or a loading bay, agreed on site and never added to the invoice.

Ask the assistant for a table with one row per quote: area, weeks quoted, weeks actually on hire, what you invoiced, the sheet's total for the real number of weeks and any extras used, and the gap between the two. Take customer names and addresses out of the paste. Five past jobs rebuilt at today's rates might come back like this (illustrative):

Read the rows, not the total. Across all five the net gap is only $205.94, because the shop front was invoiced $473.20 above the sheet, and that hides $679.14 left behind on the other three. Jobs 1 and 2 are paperwork: three and two extension weeks never invoiced, plus a loading bay agreed on site and never billed ($294.00 for six weeks). Job 3 is pricing: a small job quoted by eye, $125.04 under the sheet. Job 5 needs a question before a conclusion. Either the sheet is missing something shop fronts need, such as out-of-hours work or pedestrian protection, or the price was simply high; a high price that keeps winning work is fine, and one that starts losing it is not. The gap column is a list of money you may have left behind, and the weeks columns show whether the fix belongs in the pricing or in the paperwork. If the fix is paperwork, the scaffolding invoice template for erect, hire and dismantle billing shows how to set it out so extension weeks get billed on time.

The wording that goes to the customer

The quote the customer reads should show the scope, the area, the hire terms and the extras and omit the cost build-up. For example:

"Scaffold to the front, rear and both sides of the house and to the rear extension, 226 m² of face area as measured on [date], with two boarded lifts on the house elevations and one on the extension. Erect and dismantle: $5,184.44. Delivery and collection: $350.00. Hire: $101.70 a week for 8 weeks ($813.60). The minimum hire period is 4 weeks. Extension weeks are charged at the same weekly rate and invoiced monthly in advance. Hire runs from handover until you call the scaffold off. Extras: loading bay $322.00, debris netting on the rear elevation $105.60, hop-up platform $60.00. Alterations after erection are charged at $62 an hour with a two-hour minimum. Total $6,835.64. This quote is valid for 30 days and is based on the measurements above. Permits and licences are not included."

The terms beyond the price, such as loading limits, access, who is responsible for damage and what happens if the customer moves the scaffold, belong in a written hire agreement, and the tutorial on AI-drafted scaffolding hire agreements lists the terms a lawyer should check. Inspection and tagging intervals follow your system's manual and the rules where you work. If you charge for inspection visits, add them as a line, and a digital inspection form keeps the records that back it up. Rebuild the sheet whenever your labour hours per square metre, your stock cost or your hire utilisation changes, and keep a dated copy with every quote, so that a dispute months later can be settled from the figures you used on the day.

Questions scaffolders ask about quoting

Should I price per square metre or per elevation?

Per elevation suits small, repeat domestic work where your elevations are alike. Per square metre follows the real quantity on irregular jobs. Zigaflow's guide notes erection can be a fixed charge per elevation or a day-rate build-up from crew size and time. Either way, derive the figure from your own labour hours per square metre, not from a rate you saw elsewhere.

How long should the minimum hire period be?

There is no single standard. Zigaflow's contract guide suggests a minimum term of 6 to 8 weeks for commercial contracts, with each extra week priced separately. Set yours from how long your stock sits idle after a short hire, state the extension rate in the quote, and invoice extensions in advance so they are not argued about at the end.

Can AI measure elevations from photos or drawings?

Do not rely on it. An assistant can read dimensions you type in and check the arithmetic, but a measurement taken from a photograph or a drawing without a known scale can be badly wrong, and a wrong width flows through every line. Measure on site or from a drawing you trust, then use AI to rebuild the sum and flag lines that do not reconcile.

Who checks that the scaffold itself is safe?

A person qualified under the rules where you work, not an assistant. The board count and lift count in a quote are pricing aids, not a design. Complex or bespoke scaffolds need a design from someone qualified, and tagging and inspection intervals follow your system's manual and local rules. Price inspection visits as a line if you charge for them.

Further reads

• ChatGPT for Construction Estimating: Check a Quote, Do Not Write It — Check a quote with ChatGPT instead of writing it with ChatGPT.
• Quote vs Estimate for Trades: Which to Send and What It Commits You To — What each document commits you to before you send it.
• Siding Estimate Template: Squares, Trim and Waste Lines Written With AI — Another area-based estimate, with waste lines.
• How to Quote a Tiling Job: Area, Waste and Prep Lines Checked With AI — Area, waste and prep lines checked with AI.
• Material Price Escalation Clause: What AI Can and Cannot Check — What a price escalation clause covers on a long hire.
• Markup vs Margin in Construction: A Pricing Sheet Built With AI — Why the same percentage differs on cost and on price.
• AI Tools and AI Development: The Complete 2026 Guide — the AI hub, including every tutorial in the AI-for-business series.

Sources: Zigaflow's guide to quoting and running a commercial scaffolding contract (18 July 2026) for the quoting structure described. Lift height, board width and bay length are common published figures to check against your own system. All rates and job figures are illustrative.