11 Best Of Adding A Roof Over An Existing Deck Best Wallpaper JPG. While a typical deck is designed to support 55 pounds per square foot PSF a roof requires 80 PSF of support. Active 1 year 6 months ago.
Typical decks are designed to support 55 PSF lbs per square foot. Most support posts can be installed on the deck. In general youd be looking at attaching support posts to your deck rail posts adding a ledger to your house near the roof and a lateral beam across the posts then joists from the ledger to beam supporting your cover.
If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overheads weight you will have.
Aug 28 2020 Building on an Existing Deck. A pergola is a great addition to an existing deck but youll need to keep a few things in mind so that your pergola stays safe and sturdy. Most support posts can be installed on the deck. To solve this problem you can either replace your original deck footings to support your new roof or build your roof separate from.