799 Wash-N-Prep Roof Cleaner is a concentrated liquid TSP substitute product specifically designed to clean roof surfaces prior to applying coatings. Use to properly prepare metal, asphalt, concrete spray polyurethane foam, TPO, PVC and in general cleaning of exterior surfaces. Contain no phosphorous.
- 0.25-0.25 Gallons per 100sf**
This is intended as a general guideline only, coverage can vary based on many factors.
Preparation & Application
When using it is recommended to wear rubber gloves and safety glasses. Read label and SDS before using. Do not breathe spray mists during application.
• Most roofs should be properly cleaned using a pressure washer. Add 799 Wash-N-Prep Roof Cleaner in full strength to the detergent reservoir or place pressure washer siphoning tube directly into container. Use for injector dilution ratios up to 16:1.
• For heavy duty cleaning of roofs without a pressure washer, add 16 ounces of 799 Wash-N-Prep Roof Cleaner per gallon of water. Apply to roof using a stiff
nylon brush by dipping brush into the solution.
• For general cleaning add 8 ounces of 799 Wash-N-Prep Roof Cleaner per gallon of water. Apply using a stiff brush, mop or sponge. Wring out excess and
wash surface from the bottom up. Note: Rinse all surfaces with clean water to remove all residues and allow to completely dry before coating. Do not allow dirty solution to dry on windows as staining can occur. Spray windows with clean water prior to application and after. Runoff is not harmful to plants. Vegetation should be sprayed before and after application with a light mist of water to protect from burning.
Caution/Care of Tools
KEEP OUT OF REACH OF CHILDREN. CLOSE CONTAINER AFTER EACH USE. NEVER STORE IN UNLABELED CONTAINERS.
Avoid contact with eyes and skin. May cause burns. If swallowed, drink a glass of water and call a physician. EYE CONTACT: Immediately flush thoroughly with plenty of water for at least 15 minutes and seek medical attention. SKIN: Wash thoroughly. If irritation develops and continues, see a physician. Do not mix with acids. Use only according to mixing directions on container.
Moisture that exists in the building or that enters the building prior to or after the installation of Karnak products on the building may result in mold growth. We disclaim any and all liability and responsibility for damages to persons or property arising from or relating to the presence of mold in the building.
Provide adequate ventilation and take necessary measures to prevent penetration of airborne solvents into the building structure.
Recognized by professional roofing contractors as the best quality product in the market.