Concrete contractors run out of cash because of three stacked problems: formwork, rebar, and pump trucks required before a single billing milestone can be claimed, labor variance eating estimates with no weekly cost-to-complete by phase, and pre-pour mobilization costs front-loaded before any SOV billing event. The estimates are right. The crews are working. The money doesn't arrive until weeks after the cost is already gone — and that gap is structural to how concrete work is priced and billed. C.F.O.S is how you build the financial system around it so the gap stops being a surprise every single job.
This page is for you if: you're running $1M–$12M in commercial concrete work, your pours are hitting schedule, and you're still always short on cash. The front-loaded cost structure of concrete is structural — formwork and rebar go in before billing starts on every job regardless of how efficiently you run it. You cannot estimate your way out of it. You manage it with a system.
Concrete work has the most front-loaded cost structure of any trade in commercial construction. Nothing bills until something pours — and before anything pours, formwork is set, rebar is placed, pump trucks are on site, and a full crew has been on the job for weeks. The billing milestone is at the end of that sequence. The cost is at the beginning. That gap is not a scheduling problem or a GC problem. It is the financial structure of concrete work — and without a system managing it, it creates a cash hole on every job that resets the moment a new one starts.
On a $1.8M concrete package, pre-pour costs — forming materials, rebar procurement, pump truck rental, site prep labor — typically run $180K–$250K before the first SOV billing event is reachable. The first pay app covers the pour itself, submitted at end of month two, paid at end of month three. The contractor has been spending for 8–10 weeks before the first dollar of billing recovery arrives.
Labor is the second layer. Concrete labor variance is the most common source of silent margin compression in the trade — because pour type determines production rate, and production rate determines labor cost per unit, and most concrete estimates use a blended rate that doesn't distinguish between elevated deck pours, slab-on-grade, tilt-wall, and foundation work. A crew that hits budget on slab pours and runs 15% over on elevated deck work looks fine on a blended basis — until closeout shows the deck pours bled $60K in labor that nobody caught during the job.
The math: A $5M concrete contractor running three active packages simultaneously is carrying $540K–$750K of pre-pour procurement cost before any billing recovery arrives. That is not a bad month. That is what concrete work looks like without a financial operating system managing the timing — and it resets every time a new job starts.
These three problems layer on the same jobs at the same time. A commercial concrete package typically carries all three — front-loaded procurement, labor variance by pour type, and a SOV that doesn't recover mobilization early enough. Without C.F.O.S running the financial system around all three, the combined cash gap grows with every new job added to the portfolio.
The SOV on a commercial concrete package typically starts billing at pour milestones — slab on grade complete, elevated deck complete, foundation walls complete. Those milestones come after forming, rebar, shoring, pump setup, and crew mobilization are already complete and paid for. The contractor funds everything that happens before the pour out of operating cash or the line of credit.
On a $600K elevated parking deck pour, the pre-pour cost breakdown looks like this: forming materials $45K–$65K, rebar procurement $80K–$110K, pump truck rental $12K–$18K per pour event, shoring system $25K–$40K, crew labor for forming and rebar placement $55K–$75K. That's $217K–$308K of cost before a single billing event is reachable — and the first pay app covering the completed pour won't be collected for another 30–45 days after submission.
The C.F.O.S fix is SOV structuring before the contract is signed. A mobilization line item covering forming materials and rebar procurement, a stored materials provision for rebar delivered to site, and a pre-pour general conditions line that recovers shoring and pump setup cost in the first billing cycle can compress the pre-billing cash gap from 10 weeks to 4–5 weeks on a single package.
Concrete labor variance is silent until it isn't. A crew working on a mixed-scope concrete package — some slab-on-grade, some elevated deck, some tilt-wall — moves at different production rates on each pour type. The bid assumed a blended rate. The field reality is three different rates on the same job. The crew that's fast on slab and slow on elevated deck looks fine in a weekly headcount report. It only shows up as a problem in the numbers.
On a $1.2M concrete package with 40% elevated deck work, a 12% labor overrun on deck pours is $57K of untracked variance. That overrun doesn't happen in one day. It accumulates 3–4 hours per pour event over 8–10 weeks. Monthly cost-to-complete tracking in ControlQore by pour type catches it at the 35% complete mark — when there's still 65% of the job left and deck pours can be re-crewed, re-sequenced, or renegotiated. At 80% complete the $57K is already gone.
The fix is job costing structured in ControlQore by work type — slab-on-grade, elevated deck, tilt-wall, and foundation as separate cost codes so labor variance by type is visible monthly, not just in the blended closeout number.
Even when the SOV is reasonably structured, the sequence of concrete work creates a mobilization front-load that can't be entirely eliminated — only managed. Site layout, benchmark setting, forming layout, first rebar delivery, shoring installation, and crew mobilization all happen in weeks one and two. The first pour that generates a billing event happens in week four or five at earliest. The first check covering that pour arrives in week eight or nine.
On a new concrete job starting in January, the contractor is spending from day one. The first billing event is in late February. The first check arrives in late March or early April. February and March are funded entirely from operating cash or the LOC — on that job alone. A contractor starting two new concrete packages in January is funding both simultaneously for 8–10 weeks before either one produces billing recovery.
This is the working capital requirement that most concrete contractors underestimate when they sign new work. The C.F.O.S working capital model maps this gap before the contract is signed — so the decision to take on a second simultaneous start is made with full knowledge of the LOC draw required, not discovered three weeks into the job.
Concrete cash problems get blamed on material cost increases, GC billing requirements, and tight margins. Those are real — but they are not why a $5M concrete contractor is perpetually short on cash despite profitable jobs. Here are the three wrong diagnoses.
Material cost increases are real. But a contractor who is short on cash despite closing jobs at estimate has a timing problem, not a cost problem. If the jobs are profitable at closeout and cash is still tight during the job, the issue is the 8–10 week gap between when materials are purchased and when billing recovers them — not the cost of the materials themselves.
→ Real problem: No stored materials provision in the SOV and no 13-week forecast built around the pre-pour procurement timeline.
GC billing structures are a real constraint. But the SOV is negotiated before signing, not after. A contractor who signs whatever SOV the GC presents has given away the only moment they had to restructure the billing sequence. The time to push for a mobilization line item and stored materials provision is at contract review — not after the job starts.
→ Real problem: SOV accepted without negotiation — no mobilization recovery line, no stored materials provision, no pre-pour general conditions billing.
Tough pour sequences are real. But when labor overruns appear consistently on elevated deck work and not on slab work, it is not a random tough job — it is a systemic estimating and tracking problem. The bid rate for elevated deck pours is wrong, or the production tracking isn't catching it early enough to adjust. Either way the fix is a system, not better crews.
→ Real problem: Labor tracked as a blended rate across pour types — elevated deck overruns hidden in the blended number until closeout.
C.F.O.S is the financial operating system built around concrete's specific cash failure patterns — front-loaded procurement, pour-type labor variance, and pre-billing mobilization gaps. Without this system running every month, those three problems compound silently across every active package until the LOC is maxed and a new job start feels like a risk the owner can't fully quantify. This is C.F.O.S executing inside the structural cluster — every deliverable specific to concrete, monthly, and connected to the other five layers of the system.
Two service tiers priced by trailing twelve-month revenue. Core Financial covers the full C.F.O.S system — ControlQore setup, job costing by pour type, bookkeeping, and WIP. Executive Financial adds monthly CFO strategy meetings, controllership, and ongoing advisory. No payroll. 60-day onboarding. No scope gaps.
| Revenue Band | Core Financial | Executive Financial |
|---|---|---|
| Under $1M | $1,900/mo | $2,900/mo |
| $1M–$3M | $2,600/mo | $3,600/mo |
| $4M–$6M | $3,800/mo | $5,500/mo |
| $7M–$9M | $5,100/mo | $6,900/mo |
| $10M–$12M | $6,100/mo | $8,500/mo |
| $13M+ | Quoted | Quoted |
Three stacked problems. Formwork, rebar, and pump trucks are required before any SOV billing milestone is reachable — on a $1.8M concrete package that's $180K–$250K funded before the first pay app can even be submitted. Labor variance by pour type accumulates silently — elevated deck pours run at a different rate than slab, and without pour-type job costing the overrun doesn't appear until closeout. And pre-pour mobilization costs front-load the first 8–10 weeks of every package before billing recovery begins. All three run simultaneously on every active job without a financial operating system managing them.
SOV structured before every contract signing with mobilization, stored materials, and pre-pour general conditions provisions. 13-week forecast built around pre-pour procurement timing and first billing event dates. Job cost tracked in ControlQore by pour type — slab, elevated deck, tilt-wall, foundation as separate cost codes. Labor cost-to-complete updated monthly by pour type so overruns are caught at 35% complete. Working capital model updated before new packages are signed. Retainage tracked with release triggers per package.
Commercial concrete subcontractors doing $1M–$12M. Core Financial starts at $1,900/month. Executive Financial starts at $2,900/month. Both priced by trailing twelve-month revenue. Onboarding takes 60 days — books migrated, ControlQore set up, job costing structured around your pour types and SOV categories. No payroll. No residential.
Core Financial includes ControlQore setup, job costing aligned to your pour types and estimates, full-service bookkeeping, and bank reconciliations. Executive Financial adds monthly CFO strategy meetings, controllership, and strategic accountability. No payroll. No scope gaps.
60 days. We migrate your books to the start of your last taxable year, set up ControlQore, and build your job costing structure from scratch aligned to your pour types and estimate categories. Fully operational in two months.
You cannot self-assemble a fix from knowing the problem. The financial system has to be built, run monthly, and connected to the other five layers of C.F.O.S — or the pre-pour gap resets on every new package you start. Schedule a free call and we'll show you what that system looks like built around your concrete business.
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