Roof Deck Floor Framing

After the subflooring is set the crew will be raising gable walls flying the scissor trusses to define the space and installing roof sheathing.

Roof deck floor framing.

First you must make sure the roof is strong enough to support 55 lbs per square foot. Floor framing formerly known as parametric bay studies can help engineers determine optimal composite steel and concrete slab on metal deck floor framing. Once the framing was done the crew installed 3 4 in. These decks are often referred to as floating as they are not secured in place as a stand alone structure.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. There are a few things to know before erecting a protective roof. The single most important framing member is the ledger board. When evaluating the impact of occupied roof decks on the overall building size limitations another consideration is whether the project qualifies as a high rise building.

When this system of connections is made properly loads are transferred. A roof on a treasured deck can open up more possibilities for enjoying the space throughout the year. Once installed it acts as a guide for a deck frame that s level and square. Ibc section 202 defines a high rise building as a building with an occupied floor located more than 75 feet 22 860 mm above the lowest level of fire department vehicle.

They are merely placed on top of another structure. Building a roof over a deck allows you to grill relax play or simply stay quiet and listen to nature whether rain or shine. If you want your deck to last and more importantly be a safe place to spend time with your family and friends you need to start with a solid foundation and a sturdy frame. 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.

It s a good idea to mark joist locations on the ledger and on the front facing rim joist before installation when you can lay the framing members side by side on a pair of sawhorses. The roof deck should be properly flashed with a highly durable material that is compatible with the deck material copper lead epdm etc where it adjoins the house. This tool can design a typical interior bay and optimize the results for either the overall weight or the relative cost of the framing system. Building a shed roof over a deck.

Deck framing page 16 beam to post page 12 post to concrete page 11 joist to beam page 14 a system of key connections throughout the deck framing also known as a continuous load path is essential to building a safe code compliant deck.