Comments (46)
Thank you for reporting this comment. Undo

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.

Thank you for reporting this comment. Undo
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.

Thank you for reporting this comment. Undo
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 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.


Related Stories

15 Smart Design Choices for Cold Climates
Keep your home safe and comfortable in winter by choosing the right home features and systems
Full Story
Green Building The Passive House: What It Is and Why You Should Care
If you don’t understand passive design, you could be throwing money out the window
Full Story
Working With an Architect 10 Things Architects Want You to Know About What They Do
Learn about costs, considerations and surprising things architects do — plus the quick route to pinning down their style
Full Story
Working With an Architect 6 Reasons to Hire a Home Design Professional
Doing a construction project without an architect, designer or design-build pro can be a missed opportunity. Here's why
Full Story
Home Innovations Design Workshop: Kinetic Architecture
Industrial techniques achieve the sublime in these 5 examples of mechanical walls that move
Full Story
Earth Day What's LEED All About, Anyway?
If you're looking for a sustainable, energy-efficient home, look into LEED certification. Learn about the program and its rating system here
Full Story
Houzz Tours Houzz Tour: A Modern Home Rooted in Its Place
It's partially buried in the earth, but with a cantilevered roof and strong colors, this Ottawa home is anything but shy
Full Story
Books Prefab Homes Expand Modern Design's Reach
A new book shows how innovative modules are giving homeowners more modern options than ever
Full Story
The Art of Architecture Design Workshop: Getting a Feel for Steel
Versatile and strong beyond belief, steel can create amazing expressions in homes and landscapes
Full Story