Attic Framing Types

The sides are all equal length and come together at the top to.

Attic framing types.

The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces. Overhangs hips and dormers add greatly to the complexity of the framing. Gambrel and mansard roofs offer more head height for attic rooms. A hip roof has slopes on all four sides.

Figure 6 1 page 6 2 illustrates these types of framing and specifies the nomenclature and location of the various members. Light framing is used in barracks bathhouses and administration buildings. Shed gable hip gambrel and mansard. A mansard roof also known as a french.

This is made up of ceiling joists typically 2x6 or larger boards. Shed roofs are usually the easiest type to connect to an existing roof when adding on. Roof framing can be simple or complex depending on the roof. As long as they are not damaged the joists should be strong enough to allow you to move around in the attic for an inspection and to provide storage for typical boxed items.

This style also improves the look of the roof providing a more unique and interesting design than the very common simple hip roof. A full or partial gable can be found at the end of the ridge in the roof allowing for a greater amount of internal roof space. The type of modifications selected for reinforcing the joists will depend on the recommendations of the engineer but the following methods are commonly used to beef up undersized attic joists. These classes of long span steel framing options along with their applications and various configurations are provided in table 1.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. The dutch gable hip roof is a hybrid of a gable and hip type of roof. R values vary based on the type thickness and density of the material being used. Long span steel framing options can be categorized into different types for instance girders trusses rigid frames arches and cantilever suspension spans.

Light framing there are three principal types of framing for light structures. Stick truss roof framing. Common rafter valley rafter valley jack rafter hip rafter hip jack rafter cripple jack rafter dormer rafter. Most homes are insulated in the attic and any floors located above unfinished basements or crawl spaces.

The floor structure of an attic is also the framing for the ceiling beneath it. Also known as pitched or peaked roof gable roofs are some of the most popular roofs in the us. Post a question or comment about roof framing support construction specifications practices. Roofs are basically five types.

Western balloon and braced.