Concrete contract template
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Between
Customer name
Scope of work
Describe exactly what is included — and what is not.
Price and payment
Total: $0.00
Deposit (50%): $0.00 before work begins
Balance: $0.00 on completion
Terms
Payment
A deposit is due before work begins. The balance is due on completion. Invoices unpaid after 14 days may carry a late fee of 1.5% per month.
Changes to the work
Anything outside the scope above is a change order, priced and agreed in writing before that work starts. Verbal changes are not binding on either of us.
Access
The client agrees to provide access to the property, water and power where needed, on the agreed dates. If we cannot access the site on a scheduled day, a return visit may be charged.
Weather and delays
Work may be rescheduled for weather or conditions that make it unsafe or would affect quality. We will give as much notice as we can. Neither party is liable for delays outside their control.
Existing condition
We are not responsible for pre-existing damage or for defects revealed by the work. Where we find something unexpected, we will stop and tell you before continuing.
Insurance
The contractor carries liability insurance and will provide a certificate on request.
Cancellation
Either party may cancel in writing before work begins. Deposits cover materials already ordered and scheduling held for you, and may be non-refundable to that extent.
This is a starting point written for small home service work, not legal advice. Contract law varies by state, and some states require specific notices, licence numbers or cancellation language on residential contracts. Have a local attorney read it once before you use it for everything.
The cracking clause
Every concrete contractor knows concrete cracks. Almost no homeowner does, and nearly every one who finds a hairline crack believes they were sold a defective slab.
Write it down before you pour:
Concrete shrinks as it cures and will develop shrinkage cracking. Control joints will be cut at approximately 10ft spacing to direct where that cracking occurs. Hairline cracking is a normal characteristic of concrete and is not considered a defect. The contractor warrants against structural failure, spalling and surface delamination for [term].
That paragraph converts the most common post-job complaint into something the customer already agreed was expected.
The curing clause is about their behaviour, not yours
Foot traffic after 24 hours. Vehicles after 7 to 10 days depending on conditions. Nothing heavy, no turning wheels on a stationary vehicle, no sharp edges dragged across the surface.
State that damage from early loading is not covered. Driving on a slab too soon is one of the leading causes of failure and it is entirely within the customer’s control.
Specify the mix
PSI, thickness, reinforcement, fibre or mesh, and the finish. A customer comparing your price with a cheaper one cannot see that the other quote is 3,000 PSI at three and a half inches with no reinforcement unless your document says what yours is.
Base preparation belongs in the scope
Excavation depth, spoil removal, aggregate base and compaction. This is the largest variable cost in concrete work and the one most often skipped by whoever is underpricing you. Naming it makes the difference visible.
Weather
Pours get moved for temperature and rain. This is not a preference. Say so, and both sides treat a rescheduled pour as normal rather than a broken commitment.
Payment
Deposit covering material and base work. Balance on completion of the pour and finish. You are ordering a concrete truck before anybody has paid you; the schedule should reflect that.
Quoting and scheduling
Jobber at $49/mo handles multi-day jobs with deposits and reschedules weather days in bulk. QuoteIQ at $29.99/mo measures flatwork area off satellite imagery for faster quoting. Housecall Pro includes five seats at $189/mo once you run a crew.
Questions operators actually ask
What should a concrete contract include?
The area and thickness, the mix and PSI, reinforcement, base preparation, the finish, control joint spacing, a cracking and curing clause, weather terms, and the payment schedule. The cracking clause is the one that prevents the most common post-job dispute.
How do I write the cracking clause?
State that concrete shrinks and cracks as it cures, that control joints are cut to direct where cracking occurs, and that hairline cracking is a normal characteristic and not a defect. Then state what you do warrant — structural failure, spalling, joints that fail to control cracking.
What should I say about curing?
That the customer must keep traffic off for a stated period — typically 24 hours for foot traffic and 7 to 10 days for vehicles — and that damage from early loading is not covered. Early vehicle traffic is a leading cause of failure and it is entirely the customer's control.
Do I need a weather clause?
Yes. Concrete cannot be poured in the wrong conditions and it is not a judgement call. State that pours may be rescheduled for temperature or rain and that the schedule depends on it.
What payment schedule works for concrete?
Deposit for material and base work, balance on completion of the pour and finish. Concrete is ordered and delivered before you get paid, and a back-loaded schedule means you funded the truck.