Building a deck over a flat roof is very similar to building a deck over a concrete patio.
Residential roof and deck floating deck on rubber roof.
So if your roofing deck is 300 sq ft.
Roof from the deck loads.
I like rubber roofing for this combined with a floating deck floor.
That means water will pool somewhere over such a large surface.
This step never fails to amaze the clients.
First you must make sure the roof is strong enough to support 55 lbs per square foot.
A properly constructed epdm roof should last 40 or more years.
That said a lot of.
That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane.
Average deck cost is 700 900 per 100 sq ft.
Pvc roofing is ideal for solving this annoying problem.
At the highest end of the price range is 80 mil pvc membrane.
Then placing the panels takes about half an hour.
The problem with using rubber roof material is that it relies on glue to remain watertight and glue will break down after a number of years requiring a complete disassembly of the floating deck repair to the rubber and then rebuilding the deck on top.
The rubber roofing i ve been using for 15 years a glue down 60 mil epdm membrane from international diamond systems offers several advantages.
Pvc deck cost per square foot is 9 12.
There is not much you can do about the slope of the roof surface.
Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.
Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof.
Epdm rubber is at the lowest end of the price spectrum.
Here s how tufdek waterproof decking stands out on a flat roof deck.
You ll need to install a waterproof rubber membrane over the surface where you intend to build the deck.
It s reliable it s fairly easy to work with and it requires no special tools.
We vacuum out the drains for good measure and hose down the roof surface.
It s best to build the wooden deck in removable sections for cleaning and maintenance of the rubber roof and repair of the membrane if ever needed.
Comments for building a floating deck on an epdm rubber roof surface.
Although it s a waterproof roofing material it has an extra quality.
They are merely placed on top of another structure.
You will pay 2 100 2 700 total.
In that time a 1 000 square foot roof transforms into a deck.