1 Types of Greenhouse Foundations........................ 3 2 Things to consider BEFORE you build..................7 Select Your Site.................................................................................... 7 Freestanding Greenhouse or Home Attached?. .................................... 9 3 Building a Wood Foundation.......................................10 Prepping Your Site. ..............................................................................10 Gravel Floor.........................................................................................12 What's a Door Drop?............................................................................13 Information on Pressure Treated Wood. ..............................................15 4 Building a Concrete Foundation.............................16 Types of Footings................................................................................17 Engineered Shop Drawings for Foundations...................................... 20 Importance of Drainage with a Concrete Foundation. .........................21 5 Brick AND Rock Fa├žades. ................................................ 22 6 Plumbing, Electrical and Heating........................ 23 7 Greenhouse Flooring Options.................................. 25 8 Questions to help you choose................................. 29 9 price considerations for a Foundation. .......... 32 10 Resources and Staying Connected. ...................... 35 Table of Contents