Rooftop Deck Over Pitched Roof

My plan is to open up the roof and sit a couple of 4x4 posts on top of the outside wall.

Rooftop deck over pitched roof.

Building a deck on a sloped roof. A deck on a sloped roof requires a different approach to the framing underneath the joists. As a result many flat roofing decks have ponding situations where water pools for longer than 72 hours after a big rain storm. If you already have one of these types of roofs you could potentially cover the existing roof with pvc vinyl decking on top of a flat hard surface but you re much better off taking the roof down and starting over with a high quality vinyl decking material.

To know for certain that your roof is safe. They are merely placed on top of another structure. 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. Roof deck framing unlike for decks at ground level doesn t entail a ledger attached to the rim joist of a house.

Centers supported by a beam and a ledger as on most decks. It is optimal to have 1 4 per foot pitch on any flat roof. How vinyl waterproof decking benefits roof decks. By john fenton n b canada i want to build a deck on a sloped roof.

The roof must be able to support 55 pounds per square foot at a minimum. Building a deck over a flat roof is very similar to building a deck over a concrete patio. The project illustrated here was a complete teardown and rebuild so i framed the roof with 2x8s spaced on 16 in. Today s homeowner with danny lipford the voice of home improvement with projects tips and ideas to help you improve your home.

And developers are finding old buildings. These decks are often referred to as floating as they are not secured in place as a stand alone structure. If you happen to live in a snowy region and have a flat roof that is designed for snow loads greater than 50 psf then you could build and set up a rooftop deck. However that isn t always the case.

As you can see the guys are getting a great start on the framework for our new rooftop deck. Foundations settle rafters bend or door openings are too close to the roof surface to increase the slope. Instead a pair of beams rest on supports called sill plates to create a frame for the deck. Adding a roof deck has some advantages over simply building a second story deck but first you must ensure that your roof is able to support the deck.

While getting to the roof deck may be fairly easy for people and a few deck chairs transporting 12 to 16 foot long lumber may be an entirely more complex. Before installing a roof deck you must be certain the roof is stable and weatherproofed. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. First you must make sure the roof is strong enough to support 55 lbs per square foot.