Glue the roofing to the fascia. Spread the adhesive on the rubber roofing and about 2 in. onto the board below. Drip edge protects the corner. Nail a 3-in. aluminum drip edge over the corner of the roof. Guide a knife along it to trim the excess rubber. Seal the drip edge. Use uncured EPDM tape to cover the nails and seal the drip edge to the roof.
Roof decks are typically constructed so that a layer of waterproofing material is sandwiched between the roof substrate and a floating deck on top. While PVC material is excellent for flat and low-slope roofing application, it can also be used as an excellent waterproofing material for maximum protection against leaks.
Decking Over a Roof ... combined with a floating deck floor. The rubber roofing I’ve been using for 15 years—a glue-down, 60-mil EPDM membrane from International Diamond Systems— offers ... material ensure a level walking surface. glue and nails secure the decking.
On top of the roofing material, a floating roof deck is constructed, and laid down on slippers (deck rafters laying on top of the roofing membrane). Railing posts are typically installed around deck perimeter, by ether attaching them to the roof framing/rafters, to the outside of the roof, or built into deck.
On average, 300 sq.ft. of roof decking costs $800-2,800 to install, depending on the material you choose. Unfortunately, many homeowners who have a flat deck roof have to deal with frequent leaks. This is usually because low quality, leak prone decking materials, such as EPDM rubber are used, often in an effort to save money.
Watch this video to find out how to construct a deck on a roof to turn it into a great place for outdoor entertaining. Roof deck topics covered include: Deck Foundation: Using deck supports, which are adjustable in both height and pitch, for the foundation.
Roof Top Deck Construction Building a deck over a flat roof is very similar to building a deck over a concrete patio. These decks are often referred to as “floating,” as they are not secured in place as a stand-alone structure.
Is it possible to build a deck WITHOUT sleepers ie use the "roof material" as the actual deck if we use PVC? is this cheaper than using EDPM/modified bitumen and then building a floating deck on top of the roof? Our deck is only 20x 14 or 280 sq ft.
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. Then, you will install “sleepers” or flat 2x6s laid flat every 16” on top of the roof surface.