The fabsil universal protector replicates the original water repellent finish found on all kinds of outdoor gear and equipment, to re proof your gear and help to keep you dry in even the wettest weather.trusted by professionals and outdoor enthusiasts for years, it's a high performance, silicone based waterproofing treatment that's suitable for use on tents, boat covers, parasols, garden chairs, and umbrellas it could even protect your convertible car roof.replicates the original water repellent finish applied to outdoor productsversatile works on any outdoor fabriceasy to use can be painted or sprayed onfor lightweight nylon materials, the coverage is up to 18m² per litre.for lightweight canvas materials, the coverage is approximately 7.5m² per litre and for medium weight canvas, it is approximately 5m² per litre.