How to clean a tent?: If you've just returned from a camping vacation, make sure your tent is thoroughly cleaned and dried before storing it, especially if it smells mouldy. You'll learn how to clean a tent the right way so it'll be ready to go the next time adventure calls. Manufacturers often made camping tents in AU of various textiles, such as Nylon, Rayon, and Polyester. Waterproofing, mould and mildew resistance, and UV light and tear resistance are all common qualities of these materials.