These decks are often referred to as floating as they are not secured in place as a stand alone structure.
How to construct a flat roof balcony.
How to build a deck on a flat roof.
Step 1 simplify the project.
Flat felt roofs have a short life span many house insurers refuse to cover older felt roofs.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
Step 3 prepare the materials.
For additional stability you can also use steel joists that are built into one or both of the walls.
Over the years they are affected by the elements blistering cracking and attracting moss and algae.
The key is in the word flat.
The reasons for selecting either one will depend on the requirements of the build considering the level of insulation required heat loss and building regulations.
To simplify a construction.
One issue that many people question me about is how to create a deck that is functional without compromising the waterproof roof surface.
Build the frame of the roof on the ground.
The best way is to construct a sleeper deck.
The last thing you want is to construct a beautiful new outside living space only to find that it needs to be dismantled so that you can access.
Here s how tufdek waterproof decking stands out on a flat roof deck.
What s the difference between a regular roof and a flat roof and why does it require different material.
Of course you don t need to live in a modern house to deal with a flat roof.
A sleeper deck is simply a deck that is not attached to anything.
Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.
Flat roofs with easy access are great for creating an outdoor living space.
Step 2 order materials.
This will give additional stability to the roof structure.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
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.
The joists of the deck as with most flooring will be set out on 16 inch centers.
Step 4 assemble the deck.
Step 5 add handrails.
How to build a roof over a deck.
Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.