When estimating the cost of applying a rubberized roof coating in Washington on your rubber roof, you need to consider a few variables. This includes mainly the amount of rubberized roof coating required, the size of the rubber roof, and the labor cost. The cost of a rubberized roof coating in Washington is estimated to be around $60 to $80 per gallon. 1 gallon of Washington rubberized roof coating can cover up to 40 square feet of rubber roof. Most retailers and manufacturers also offer the coating in 5-gallon pail. It can cost you around $250 up to $360 and save you $40 up to $50.A 5-gallon pail of rubberized roof coating in Washington can cover 200 square feet of roof area. If you have a 2,000 square feet or 20 square roof area, you will need 10 5-gallon pails of Washington rubberized roof coating which can cost you around $2,500 up to $3,600.
Estimated final cost for rubberized roof coating
| Item | Quantity | Fair Price |
|---|---|---|
| Membrane Roofing System Cost | 1282 Square Feet | $1,295.66 |
| Membrane Roofing System Labor | 20.1 Hours | $933.32 |
| Membrane Roofing System Job Materials and Supplies | 1200 Square Feet | $251.87 |
| Membrane Roofing System Equipment Allowance | $73.93 | |
| Totals - Cost to Install Membrane Roofing Systems - 1282 Square Feet | $2,554.78 | |
| Average Cost Per Square Foot | $2.13 |