First you must make sure the roof is strong enough to support 55 lbs per square foot.
Flat roof over a deck.
Frame up a box the size of the outer dimensions of your deck using 2.
Place the deck planks every 6 inches which will leave a small gap between each plank.
Building on an existing deck.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Most roof decks leak because they are typically made of flat roofing materials that were created over a century ago and were not designed for use as roofing for residential homes and living areas.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes.
Build the frame of the roof on the ground.
A roof deck is almost certainly going to be required by law to have handrails.
The specific requirements will vary from one location to another.
Building a shed roof over a deck.
What s the difference between a regular roof and a flat roof and why does it require different material.
During the height of summer when the sun is at its hottest catching some shade on your deck is a great chance to relax for you and your loved ones.
Another reason is the original design flaw implemented by architects and or builders who have no experience in flat roofing and do not have appropriate roofing technology to use.
That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane.
Nail the planks in place.
A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.
No matter the reason the keys to a long lasting deck above a living space are the same.
Make sure the frame has the appropriate blocking to ensure a solid connection.
The rubber roofing i ve been using for 15 years a glue down 60 mil epdm membrane from international diamond systems offers several advantages.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
They are merely placed on top of another structure.
When a roof is flat it actually will have a very slight slope water is going to spend a lot more time in one place giving it more time.
Step 5 add handrails.
A covering allows you to sit outside and enjoy nature on even the sunniest and rainiest days.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Install post base connectors to attach the support posts to the deck frame.
Do not attach the post base to only decking.
Check local building code to see if you can attach a patio roof directly to your deck.
How to build a roof over a deck step 1.
Here s how tufdek waterproof decking stands out on a flat roof deck.
It s reliable it s fairly easy to work with and it requires no special tools.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
Lift the box.
I like rubber roofing for this combined with a floating deck floor.
A reliable roof membrane and details that minimize any damage to the roof from the deck loads.
The key is in the word flat.