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.

Attic framing types.

The rise or height of the roof at its peak is the altitude of the triangle. Collar ties rafter ties tension beams structural ridge beams. Installing attic flooring for light storage only. Figure 6 1 page 6 2 illustrates these types of framing and specifies the nomenclature and location of the various members.

Top 15 roof types plus their pros cons read before you build. 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. If you re familiar with basic carpentry and framing techniques installing decking for attic storage is a diy friendly project. Light framing there are three principal types of framing for light structures.

Gambrel and mansard roofs offer more head height for attic rooms. A properly framed attic room can eliminate most of the odd angles and awkward spaces of an. Overhangs hips and dormers add greatly to the complexity of the framing. Some of these can support the roof and prevent ridge sagging and wall spreading.

The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces. 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. Shed roofs are usually the easiest type to connect to an existing roof when adding on. Attics can be dark and forbidding spaces but they don t have to be.

Here is a section of the attic with no collar ties or attic bracing. R values vary based on the type thickness and density of the material being used. In this picture a broken rafter is visible due to no attic bracing. The run or half the building span is the base of the triangle.

Light framing is used in barracks bathhouses and administration buildings. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. How to frame an attic space. Home was built in the 1950 s in summerville sc.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Roof framing can be simple or complex depending on the roof. And the line length measurement from the roof peak to the building wall is the hypotenuse. Western balloon and braced.