Since most roof decks are floating structures that sit on top of flat roofs it s crucial to weatherproof the roof below the deck to prevent water from seeping into the home.
Residential roof and deck floating deck on rubber roof.
At the highest end of the price range is 80 mil pvc membrane.
That means water will pool somewhere over such a large surface.
It s reliable it s fairly easy to work with and it requires no special tools.
Pvc deck cost per square foot is 9 12.
Here s how tufdek waterproof decking stands out on a flat roof deck.
Epdm rubber is at the lowest end of the price spectrum.
You ll need to install a waterproof rubber membrane over the surface where you intend to build the deck.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
Although it s a waterproof roofing material it has an extra quality.
That said a lot of.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.
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.
Roof from the deck loads.
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.
Average deck cost is 700 900 per 100 sq ft.
They are merely placed on top of another structure.
Then placing the panels takes about half an hour.
That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane.
In that time a 1 000 square foot roof transforms into a deck.
Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof.
At this point we check the roof for any errant fasteners or debris.
Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.
We vacuum out the drains for good measure and hose down the roof surface.
A properly constructed epdm roof should last 40 or more years.
Comments for building a floating deck on an epdm rubber roof surface.
So if your roofing deck is 300 sq ft.
I like rubber roofing for this combined with a floating deck floor.
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.
You will pay 2 100 2 700 total.