How to Install a Flood Control System | This Old House
Keeping sewage at bay with This Old House host Kevin O'Connor and plumbing contractor Dennis Langowski. (See below for a shopping list and tools.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for Installing a Flood Control System: - cast-iron, twin check valve - ready-mix concrete - gravel and sand - rubber couplings - curved…



