View the Newton Waterproofing entry on BPindex Visit the Newton Waterproofing website View the history of Newton Waterproofing video Newton Waterproofing, one of the country’s leading suppliers of waterproofing products, is this year celebrating its 175th anniversary, marking an impressive milestone for the company. With branches in Tonbridge, Kent, and Hunslet, Leeds, Newton Waterproofing boasts an extensive range of high-quality …