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dadcss

I can only speak for my high snow load area, our code requires load capacity of 60 psf. My solution was 12/12 pitch, metal, NO valley, exhaust holes, attic or gutters and 2 foot overhang all around. Now I sleep like a baby, but that's just me.

BTW, USA federal insulation codes in my area require R-50+ and no they will not allow the snow sitting on your flat roof to count.

   
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Karen Maier Heesacker

I have an above bomb shelter that was built in in 1964, It's 18.5 feet long and 10' wide, the walls are 3' think reinforced. It currently has a roof over it but I am building a house and am considering making it a deck with a small garden attached to the main house. It's in Spokane Wa so snow can be an issue. I am wondering if this is even possible and if so how is the best way to make it work.


   
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PRO
Dansky-Kanter Roofing Consultants, LLC

Yes, Karen, it is definitely possible. It's hard to get specific without having more information, but it sounds like you are talking about a "green roof". In very simple terms, your structural roof deck is protected with a waterproofing membrane. The membrane is then covered with materials that provide protection and drainage. Those materials, finally, are covered with a layer of light-weight planting medium and vegetation. Green roofs have become very popular in recent years. You want to contact a qualified COMMERCIAL roofing contractor. If you don't know any, the National Roofing Contractor's Association is a good source. Most reputable roofing contractors are members. Go to www.nrca.net. Under "Find A Contractor", select "Commercial" and enter your zip code. They will provide you with a list of Commercial Roofing Contractors in your area. I hope this is helpful.

   

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