Applying TotalRoof 100% Silicone Roof Coating couldn’t be much easier.
99.9% of installs will follow the steps below:
- Clean roof surface with a power washer, preparing it to receive coating. Use a minimum of 2,000 psi of water pressure. Be sure all loose dirt and debris is removed.
- Once roof is dry, make any necessary repairs to drains, seams, flashings, and fasteners to get them in good working condition.
- Perform adhesion tests and, if necessary, apply a primer to your roof to improve coating adhesion.
- After making repairs, apply coating at the proper rate for your roof type. Use a medium nap roller to spread the coating out as evenly as possible.
- Clean all tools and equipment with mineral spirits. Do not use water.
What is the proper coverage rate for my roof?
| Substrate | Recommended Mil Thickness | Recommended Gallons/ Square | Square Feet/ Bucket | Marking Square Size |
| Aged Asphalt | 30 | 2.5 | 200 | 14’x14′ |
| Campers | 25 | 2 | 250 | 16’x16′ |
| Concrete | 30 | 2.5 | 200 | 14’x14′ |
| EPDM | 25 | 2 | 250 | 16’x16′ |
| Granulated Cap Sheet | 30 | 2.5 | 200 | 14’x14′ |
| Hypalon | 25 | 2 | 250 | 16’x16′ |
| Metal Roof Panel | 25 | 2 | 250 | 16’x16′ |
| Modified Bitumen | 35 | 3 | 167 | 13’x13′ |
| PVC | 25 | 2 | 250 | 16’x16′ |
| Silicone Coated | 20 | 1.5 | 333 | 18’x18′ |
| Skylight | 20 | 1.5 | 333 | 18’x18′ |
| Smooth Surface BUR | 35 | 3 | 167 | 13’x13′ |
| SPF | 20 | 1.5 | 333 | 18’x18′ |
| TPO | 25 | 2 | 250 | 16’x16′ |
Using Roof Marking to control your thickness
Roof marking is a common method used to ensure you install the proper amount of coating on all areas of your roof. Basically, you create a grid on your roof, made up of 10×10 squares. Then, using the chart above, you determine how much coating you need to apply within each square. This keeps your thickness accurate and consistent.
You can use chalk, spray paint, a sharpie; anything highly visible to mark off the squares.
Items Needed
To complete a roof coating from start to finish, you’ll need a power washer, a leaf blower, a stiff bristled broom, a medium nap paint roller, a long handle to keep you from bending down all day, and mineral spirits.