Canvak is a canvas preservative for treating awnings, tarps, canvas covers and canvas tents. Canvak helps preserve the existing wax based coating on existing fabrics. It is easy to apply. Just clean and dry fabric surface to be treated then you can spray it on with a pump up weed sprayer, you can roll it on, or brush it on. The just let it dry. Canvak prolongs the life of older tents. One gallon covers approximately 100 sq ft. Canvak is not recommended on synthetic fabrics. Please make sure to find out the exact fabric type of your tarp, tent or awning and test it before applying.