Siping (rubber) wear and extends the life of the tire. Both Bridgestone and Michelin sell snow tires that are siped at the factory, while Saf-Tee Siping and Grooving sells machines that can sipe most standard vehicle tires. Siping can also be done by hand. Siping tires may void the manufacturer's warranty. Claims that extended life is achieved by siping may only apply to certain environments, operating temperatures, and rubber compound builds. Siped soles are a characteristic feature of boat shoes. Siping (rubber) Siping is a process of cutting thin slits across a rubber surface to improve traction in wet or icy conditions.
Waste tires due to the presence of fillers, steel cord, organic, and inorganic components, is a major environments concern. Different agencies in the world are now recycling waste tires and other rubber goods into useful products instead of polluting the environment. In 2010 the Newfoundland and Labrador Government proposed that all waste tires in the province be shipped to Corner Brook to be burned and used as fuel. This was quickly delayed and further denied. A stock pile of waste tires that reached 1.9 million tires in 2010 was a major environmental headache for the government. Environment Minister Ross Wiseman said the