A flat deck roof is treated with a substance like rubberized asphalt to prevent water and other elements from damaging it. Though your roof is protected from cold and moisture, you still must find a way to remove snow buildup that has no way to escape the flat roof.
One of the cheapest methods of controlling snow is using a snow rake. You can find these in hardware stores for under $50. This will enable you to brush snow away from anywhere, even the hardest to reach places. It’s a good idea for any homeowner to have one of these, not just for the flat deck roof. You will need a ladder to access your roof, so be sure to have another person with you to ensure safety!
If you don’t want to spend the time using a snow rake, you may want to consider installing heated cables. These are just what they sound like: long insulated cables that provide heat. This will help to prevent snow from building up, and will melt snow that has accumulated. It’s best to have these installed by a professional since you are dealing with electricity and heating elements.
If you live in an area that gets lots of snowfall, you may want to opt for aluminum instead of traditional lumber for your deck roof. Aluminum is lightweight and less prone to moisture damage than wood. Some drawbacks are that aluminum deck roofs can be quite noisy during precipitation, and maintenance can be complicated.