![]() ![]() So, am I on the right track for this structure?Īny thoughts on the plywood that will go on top - 1/2"?īrian Knight wrote:I would be mad too if I were expected to carry the loads of a green roof over those kinds of spans Its safe to say you will at the very least need to add some posts for the long span, keep your soil mix on the light weight side of the range, and get some lateral bracing into the mix. Last attachment is a picture from today of how it is coming along. Once completed the roof will be separated in the middle (I hope) by a simple decking catwalk for the view and for maintenance. I plan on doing a row of blocking straight down the middle with more 2圆s. The joists are 2圆s and are hung with joist hangars. (I went through 2 bits getting these in!). I used metal anchors so the posts don't sit on the concrete pad directly and the anchors are set into the existing concrete with hydraulic concrete epoxy and galvanized 1/2" by 4 inch bolts. The rear however sit on a concrete pad already at the location. The front 6圆 posts are anchored in concrete. The posts are 6圆 notched at the top for the front and rear header and for the side headers. Please excuse any misuse of construction terms.īelow is the building view from the top. I based it off of our deck attached to the house and just upped the ante in an effort to over engineer it but am just not very sure of my efforts. My main concern is that I have not engineered enough of the support structure to make sure this roof is safe. I am trying hard to make it a green roof with a native grasses and wildflowers mix. I am in the process of building an outdoor area to be used as a multi-use area - outdoor kitchen, chicken processing, whatever it may be.
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