how to build deck on top of roof

Roof Top Deck Construction | Decks.com by Seven Trust

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. This will provide the surface for you to attach the decking.

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Building a Rooftop Deck: 6 Steps to Success

They will work as well as the deck layout allows. For example, the more clearance you have below the deck (height from top of roof to bottom of deck boards), the better. The spacing between the deck boards is also critical. This is very likely the only place your deck will ventilate.

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Building a Rooftop Deck: How-to Plans & Construction Ideas

The essential first step for how to build a rooftop deck starts with getting the right materials. The three most essential elements of a rooftop deck include the support beams, the deck framing, and the material for the deck itself. The beams are what makes building a level rooftop deck on pitched roofs possible.

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Decks Over Roofs | JLC Online

One way to create the necessary pitch is to add 8- to 12-inch tapered rips to the top of the framing (on the outboard draining edge of the roof) before sheathing the roof, as shown in the detail “A Well-Drained Roof” in “Low-Slope Roofing Details That Work.”

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How to Build a Deck on a Roof | Today's Homeowner

One of the challenges in building a deck on a roof like this that’s unlevel is the deck needs to be level. Now, unlike your backyard that may be unlevel when you’re building a deck, you can set your post and adjust your framing nice and level. But here it’s a little bit more of a challenge.

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Building a Rooftop Deck - Exterior Home Contractors | Mr. Roof

Before installing a roof deck, you must be certain the roof is stable and weatherproofed. The roof must be able to support 55 pounds per square foot at a minimum. 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.

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Building a Rooftop Deck: 6 Steps to Success

They will work as well as the deck layout allows. For example, the more clearance you have below the deck (height from top of roof to bottom of deck boards), the better. The spacing between the deck boards is also critical. This is very likely the only place your deck will ventilate.

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Building a Rooftop Deck: How-to Plans & Construction Ideas

However, building a rooftop deck can be challenging to do on your own, especially if you have a slanted roof. There are lots of critical things to consider, like the structural integrity of your roof with the added weight of the deck. If you’re keen to take on this challenge, here are the steps for how to build a rooftop deck on a sloped roof.

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Building Deck Over Garage Roof - How To Guide

If you’d like to build a deck over your roof, make sure the roof has a covering that allows water to run off. You’ll most likely be able to build the deck on that. Even if your roof has a slight pitch, you can level it off through the construction of the deck’s understructure.

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How to Design a Porch with a Rooftop Deck - Fine Homebuilding

8. Roof— The roof should be sloped at least 1/4 in. per ft. It’s common to put a deck above a low-pitched shed roof. However, if the roof is deeper than 4 ft., it typically looks better to create a shallow hipped roof so that the eaves on all three sides are a consistent dimension. 9.

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Building a Rooftop Deck Over Living Space

It’s best to build the wooden deck in removable sections for cleaning and maintenance of the rubber roof, and repair of the membrane if ever needed. A properly constructed EPDM roof should last 40 or more years. Still leaf debris and organic matter that gets through the slats in the decking will build up on the rubber roof and hold moisture.

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How to Build a Deck - The Seven Trust

Keep in mind that if your deck requires a permit, the building inspector will need to check various stages of the deck build process. Ground level decks are usually one step up from the ground, so won't require deck stairs, railing or stair railing unless it is higher than 8 inches.

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