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.
Dunlop Semtex rubber factory, Brynmawr January 2015, the chimney joined to the boiler house was forced crashing down by strong winds causing power cuts around the town. Dunlop Semtex rubber factory, Brynmawr The Brynmawr Rubber Factory was a notable building situated in Brynmawr in Wales. It was designed between 1946 and 1951 by The Architect's Co-Op, a group of Architecture students from the AA in London, in collaboration with engineer Ove Arup. It was built for the Brimsdown Rubber Company to produce various products (mainly tyres) and is considered by many as a Modernist icon and as an exemplar of 'Festival of Britain' period architecture.