This chart is to help calculate you cost of material per square foot per coat.
- HVLP sprayguns have a TE (Transfer Efficiency) of about 65%
- Air Assisted Airless sprayguns have a TE of about 80%
- Conventional sprayguns have a TE of about 40%.
The 2 charts represent 2 different application rates.
- The 3 wet mils table is typically used for waterbased finishes which are usually applied in a lighter coat.
- The 5 wet mils table is typically used for solvent based finishes which are usually applied in a heavier coat
CHART – 19 Material Cost per Square Foot per Coat
Sq Ft Cost= $ PER GALLON / Sq Ft Coverage
Finish is applied at 3 wet mils
| 80% TE | 65% TE | 40% TE | |
|---|---|---|---|
| $ PER GALLON | SQ FT COST PER COAT | SQ FT COST PER COAT | SQ FT COST PER COAT |
| $20 | $0.05 | $0.06 | $0.09 |
| $23 | $0.055 | $0.07 | $0.11 |
| $25 | $0.06 | $0.075 | $0.12 |
| $28 | $0.07 | $0.08 | $0.13 |
| $30 | $0.075 | $0.09 | $0.14 |
| $33 | $0.08 | $0.095 | $0.15 |
| $35 | $0.085 | $0.10 | $0.16 |
| $38 | $0.09 | $0.11 | $0.18 |
| $40 | $0.10 | $0.115 | $0.19 |
| $43 | $0.105 | $0.12 | $0.20 |
| $45 | $0.11 | $0.13 | $0.21 |
| $48 | $0.115 | $0.14 | $0.22 |
| $50 | $0.12 | $0.145 | $0.23 |
Finish is applied at 5 wet mils
| 80% TE | 65% TE | 40% TE | |
|---|---|---|---|
| $ PER GALLON | SQ FT COST PER COAT | SQ FT COST PER COAT | SQ FT COST PER COAT |
| $20 | $0.08 | $0.10 | $0.16 |
| $23 | $0.09 | $0.11 | $0.18 |
| $25 | $0.10 | $0.12 | $0.20 |
| $28 | $0.11 | $0.13 | $0.22 |
| $30 | $0.12 | $0.14 | $0.23 |
| $33 | $0.13 | $0.16 | $0.26 |
| $35 | $0.14 | $0.17 | $0.27 |
| $38 | $0.15 | $0.18 | $0.30 |
| $40 | $0.16 | $0.19 | $0.30 |
| $43 | $0.17 | $0.21 | $0.34 |
| $45 | $0.18 | $0.22 | $0.35 |
| $48 | $0.19 | $0.23 | $0.38 |
| $50 | $0.20 | $0.24 | $0.39 |