Profile: Gruzzly Tarps offers tarps and tarpaulins. A tarp, or a tarpaulin, is a large sheet made out of heavy-duty material that has been treated to be water-resistant or waterproof. This type of product has a variety of uses. Waterproof tarps are utilized by the average consumer for covering appliances such as grills, vehicles, firewood and roof tarp covers as well as providing shelter during outdoor pursuits. Professionals use tarps in construction projects such as floor coverings or roof coverings. Heavy duty tarps, on the other hand, are used in a variety of applications in several industries such as agriculture, aerospace, manufacturing, and utilities.