How to Build a High-Tunnel Greenhouse | Ask This Old House
Roger Cook helps a homeowner build a simple, affordable backyard greenhouse. (See the shopping list, tools, and steps below.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for How to Build a High-Tunnel Greenhouse: - 1-inch-diameter PVC pipe [https://amzn.to/31pKO4k], to create frame of high tunnel - 1 1/4-inch-diameter PVC pipe and reducer coupling [https://amzn.to/2IBbsyn], to…





