Caulk around the doors outside and inside if necessary. Buy thick clear vinyl in a roll at Home Depot or Lowe's and cut to the size of the glass. Spray glass lightly with water and the vinyl will adhere. Use a straight edge like a credit card to smooth the vinyl working from the center to the edge and get all the air bubbles out. You will be surprised how much warmer the glass is. Less cold air conducted into your home.
I have put most of my plants in pots this last spring, and put rock in the flower beds, I like the look but do I need to bring them in, maybe the garage or covered ba...
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My patio doors?
It appears that your question has been cut off. What is it that you want to winterize?
Lined drapery are the best insulaters.
What are you winterizing?
Will you be using that door?
Caulk around the doors outside and inside if necessary. Buy thick clear vinyl in a roll at Home Depot or Lowe's and cut to the size of the glass. Spray glass lightly with water and the vinyl will adhere. Use a straight edge like a credit card to smooth the vinyl working from the center to the edge and get all the air bubbles out. You will be surprised how much warmer the glass is. Less cold air conducted into your home.