Can be applied before a snowfall to reduce the amount of snow that accumulates by 2-3 inches and to create a nonstick surface Environmentally friendly and safe for watershed areas Virtually non-corrosive for safe use on all surfaces: driveways, walkways, patios, decks and even on your roof. Safe on all types of materials such as blacktop/asphalt, cement, pavers, brick, wood etc Non-toxic to pets and livestock and harmless for use around lawns, trees and shrubs Unlimited shelf life Two and a half gallons (30 lbs), equal to 125lbs of salt