← Roof (Google Solar)
View proposalQuote 5be0c4e9
Generated 6/23/2026, 4:39:09 PM · locked to RÜFI's current engineering standards
Big three — confirm before you bid
Membrane
345,797.55 SF
3,458 squares
Insulation
0 SF
0 squares
Edge metal
2,987 LF
perimeter
Membrane, insulation, and edge metal are the cost drivers that win or lose the job — confirm these first. Insulation is sold by the square (100 SF): a per-SF price × 100 = the per-square price.
Cost summary (engine base)
| Materials | $451,007.49 |
| Labor | $865,183.56 |
| Non-permit expenses | $128,704.77 |
| Base cost | $1,444,895.82 |
| Permits (circular) | $42,496.94 |
| Total cost | $1,487,392.76 |
| Contract value | $2,124,846.79 |
| Gross profit | $637,454.03 |
| GP % | 30% |
Benchmarks
| Cost / SF | $4.52 |
| Sell / SF | $6.45 |
| Billable rate ($/MH) | $208.76 |
| Combined rate ($/MH) | $129.31 |
| Labor hours | 10178.64 |
| Crew size / days | 5 / 254.47 |
Comparative pricing
Selling price at every gross-profit margin, from this quote's own cost stack. The highlighted row is the current bid — price up or down without re-running the estimate.
| GP margin | Selling price | $ / SF | Billable $/MH |
|---|---|---|---|
| 25% | $1,979,309.34 | $6.01 | $194.46 |
| 30% · this bid | $2,124,846.79 | $6.45 | $208.76 |
| 35% | $2,293,485.43 | $6.96 | $225.32 |
| 40% | $2,491,199.69 | $7.56 | $244.75 |
| 45% | $2,726,218.53 | $8.28 | $267.84 |
| 50% | $3,010,199.63 | $9.14 | $295.74 |
Materials — $451,007.49
| Description | Qty | Unit | Unit cost | Total | Variance | Override |
|---|---|---|---|---|---|---|
New 50-mil mechanically attached PVC membrane show mathrule: pvc-v1.field.membrane{
"areaSf": 329331,
"wasteFactor": 1.05
} | 345797.55 | SF | $1.10 | $380,377.31 | — | |
Plates and fasteners show mathrule: pvc-v1.field.fasteners{
"areaSf": 329331
} | 329331 | SF | $0.18 | $59,279.58 | — | |
Edge metal w/ cleat and fasteners show mathrule: pvc-v1.object.edge.metal{
"linearFt": 2987
} | 2987 | LF | $3.80 | $11,350.60 | — |
Labor — $865,183.56
| Description | Qty | Unit | Unit cost | Total | Variance | Override |
|---|---|---|---|---|---|---|
Install field membrane (329331 SF @ 1.5 MH/100 SF) show mathrule: pvc-v1.field.lay-labor{
"areaSf": 329331,
"mhPer100Sf": 1.5
} | 4939.97 | HR | $85.00 | $419,897.03 | — | |
Tear off existing roof (329331 SF @ 1.5 MH/100 SF) show mathrule: pvc-v1.existing.tearoff-labor{
"areaSf": 329331,
"mhPer100Sf": 1.5
} | 4939.97 | HR | $85.00 | $419,897.03 | — | |
Install edge metal (2987 LF @ 0.1 hr/LF) show mathrule: pvc-v1.object.edge.install-labor{
"hrPerLf": 0.1,
"linearFt": 2987
} | 298.7 | HR | $85.00 | $25,389.50 | — |
Expenses — $171,201.71
| Description | Qty | Unit | Unit cost | Total | Variance | Override |
|---|---|---|---|---|---|---|
Freight (3% of material cost) show mathrule: pvc-v1.expense.freight{
"rate": 0.03,
"materialCost": 451007.49
} | 1 | LS | $13,530.22 | $13,530.22 | — | |
Refuse (66 x 30yd dumpster) show mathrule: pvc-v1.expense.refuse{
"dumpsters": 66,
"tearOffSf": 329331,
"perDumpster": 450,
"sfPerDumpster": 5000
} | 1 | LS | $29,700.00 | $29,700.00 | — | |
20-year manufacturer warranty ($0.09/SF) show mathrule: pvc-v1.expense.warranty{
"perSf": 0.09,
"areaSf": 329331
} | 1 | LS | $29,639.79 | $29,639.79 | — | |
Small tools (3% of labor cost) show mathrule: pvc-v1.expense.small-tools{
"rate": 0.03,
"laborCost": 865183.56
} | 1 | LS | $25,955.51 | $25,955.51 | — | |
Sales tax on materials (6.625%) show mathrule: pvc-v1.expense.tax{
"taxRate": 0.06625,
"materialCost": 451007.49
} | 1 | LS | $29,879.25 | $29,879.25 | — | |
Permits (2% of contract value, solved algebraically) show mathrule: pvc-v1.expense.permits{
"baseCost": 1444895.82,
"targetGp": 0.3,
"permitRate": 0.02,
"contractValue": 2124846.79
} | 1 | LS | $42,496.94 | $42,496.94 | — |