Canvak is the number one water repellent product for canvas products. Canvak and be easily applied with a brush or sprayer. One gallon of Canvak will cover 100 square feet of surface. Available in one US gallon containers. This is the best product on the market to weather treat your wall tent. Canvak is designed for previously coated fabric and is not to be used on uncoated fabric. Brush or spray on, easy to apply. Works great on awnings, tarpaulins, canvas, covers and tents.
*Canvak does not claim to be waterproof, but water resistant.