Rooftop Deck Over Pitched Roof

Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water.

Rooftop deck over pitched roof.

As a result many flat roofing decks have ponding situations where water pools for longer than 72 hours after a big rain storm. Now there s been quite a trend over the last few years for people to move back to downtown areas. 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. It is optimal to have 1 4 per foot pitch on any flat roof.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. First you must make sure the roof is strong enough to support 55 lbs per square foot. How vinyl waterproof decking benefits roof decks. And developers are finding old buildings.

Once you have your beams in place everything above them joists deck boards balusters and handrails is the same as for any other deck. By john fenton n b canada i want to build a deck on a sloped roof. As you can see the guys are getting a great start on the framework for our new rooftop deck. Instead a pair of beams rest on supports called sill plates to create a frame for the deck.

However that isn t always the case. How do i flash between post and roof. 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.

A deck on a sloped roof requires a different approach to the framing underneath the joists. They are merely placed on top of another structure. 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. Today s homeowner with danny lipford the voice of home improvement with projects tips and ideas to help you improve your home.

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

The project illustrated here was a complete teardown and rebuild so i framed the roof with 2x8s spaced on 16 in. Before installing a roof deck you must be certain the roof is stable and weatherproofed. Foundations settle rafters bend or door openings are too close to the roof surface to increase the slope. The roof must be able to support 55 pounds per square foot at a minimum.