Best idea would be to hire a professional in your area to address your particular weather issues and plan, as well as to help you source from local businesses.
More information is needed: How will it be used? What is the view and where? Who will be using it? How many people? Pets? What is your preference of materials? A truly good design address all these issues and more in the programming aspect of the design process. Although hiring a local professional would be great, you can certainly work with a designer via emails, Skype, etc. Good luck.
User
Defining Design, LLC
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