Attic Framing Types

Overhangs hips and dormers add greatly to the complexity of the framing.

Attic framing types.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Light framing there are three principal types of framing for light structures. Western balloon and braced. Installing attic flooring for light storage only.

Home was built in the 1950 s in summerville sc. Shed roofs are usually the easiest type to connect to an existing roof when adding on. In this picture a broken rafter is visible due to no attic bracing. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

How to frame an attic space. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Top 15 roof types plus their pros cons read before you build. If you re familiar with basic carpentry and framing techniques installing decking for attic storage is a diy friendly project.

Collar ties rafter ties tension beams structural ridge beams. And the line length measurement from the roof peak to the building wall is the hypotenuse. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Some of these can support the roof and prevent ridge sagging and wall spreading.

Light framing is used in barracks bathhouses and administration buildings. R values vary based on the type thickness and density of the material being used. Stick truss roof framing. Attics can be dark and forbidding spaces but they don t have to be.

Roof framing can be simple or complex depending on the roof. 05 05 2019 big al roof architecture roof design roof types when building a new house or retrofitting an existing one choosing the right type of roof can be more difficult than most people realize. At the time this home was built in the 50 s the type of attic bracing that was installed was at the discretion of the builders. Figure 6 1 page 6 2 illustrates these types of framing and specifies the nomenclature and location of the various members.

Gambrel and mansard roofs offer more head height for attic rooms. The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces. The run or half the building span is the base of the triangle. Here is a section of the attic with no collar ties or attic bracing.