Next you will need to install a watertight epmd rubber membrane over the top of the roof deck for protection against water infiltration in place of roofing materials.
How to put a deck on a flat rubber roof.
By paul wa i have an interesting problem.
So rather than a roofing material like shingles that simply lets water run down it you need a roofing.
This will provide the surface for you to attach the decking.
The key is in the word flat.
I am taking a 25x25 roof over a garage that was done in decking then tile and leaked.
Use a soft brush then get down on your hands and knees to have a look across the surface of the roof then brush it again.
Plastic flat roof deck flooring for smaller flat rooftop decks with lighter furniture plastic decking tiles are a great diy rooftop deck flooring option.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
Cut 12 of the shorter 2x6 to measure exactly 11 feet 9 inches.
Choose what height timber batten to use paying close attention to the height of any existing door threshold.
Set two of the 16 foot boards on each side of the spot where you want to build the deck.
I ll be reviewing the bison products pedestal and deck tile system on this episode of the build show.
These are your end caps.
If you want a somewhat cushioning deck floor on a flat rooftop that will hold up well to heavy furniture rubber is your best option.
I tore everything up replaced the wood that needed it and built up the base and covered everything in epdm.
These are the joists for the deck.
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 to find a way underneath the roof surface and into the structure.
Installing deck on a flat roof tips.