Deck Over Sloped Roof

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

Deck over sloped roof.

One advantage these waterproof deck systems have over simply screwing roof panels to the bottom of the joists is that you can remove a section to gain access to the joists if necessary. Before installing a roof deck you must be certain the roof is stable and weatherproofed. Relay to your architect any special setbacks such as rules that the front of the deck start 8 feet behind the roof ridgeline or that the height of the deck be no more than 2 feet above the midpoint between the gable and the rear of the roof. The roof must be able to support 55 pounds per square foot at a minimum.

Minimum roof pitch for a covered porch. Building a deck on a sloped roof. In this article builder emanuel silva shares his method for building such a deck which begins with a leak proof low slope roof of epdm rubber. 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.

If your deck is already built you can cover the bottom of the joists with a system like timbertech s dryspace. The project illustrated here was a com plete teardown and rebuild so i framed the roof with. A roof protects a house and porch from snow and rain as well as the heat of the sun. Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.

My plan is to open up the roof and sit a couple of 4x4 posts on top of the outside wall. This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof. Building a deck above a porch roof allows for sheltered space below and views from above. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will drain and not pond the finished walking surface of the roof deck surface should be below the level of the interior floor by at least 1 1 2 inches.

Adding a covered porch adds exterior space to a house and providing a. Obtain the requirements for a deck above a sloped roof from your jurisdiction s permits office. People subcontract the roofing work and build the deck themselves. The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space.

Either way the roofing has to be right. Make the front of the roof the height of the house roof you are presumably tying into with the rear sloping at a rate of six inches over two feet.