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…
Step by step instructions for installing a backflow preventer. Our city recently informed us that all sprinkler systems where we live would now be required to have backflow prevention. This video shows the steps I took to install a backflow preventer at my home. This video is another in a continuing series on basic home…