The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Attic framing types.
Light framing there are three principal types of framing for light structures.
Shed roofs are usually the easiest type to connect to an existing roof when adding on.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Home was built in the 1950 s in summerville sc.
In this picture a broken rafter is visible due to no attic bracing.
The rise or height of the roof at its peak is the altitude of the triangle.
How to frame an attic space.
Light framing is used in barracks bathhouses and administration buildings.
Most homes are insulated in the attic and any floors located above unfinished basements or crawl spaces.
Collar ties rafter ties tension beams structural ridge beams.
Stick truss roof framing.
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.
If you re familiar with basic carpentry and framing techniques installing decking for attic storage is a diy friendly project.
R values vary based on the type thickness and density of the material being used.
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.
The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces.
Top 15 roof types plus their pros cons read before you build.
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.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Roof framing can be simple or complex depending on the roof.
Here is a section of the attic with no collar ties or attic bracing.
Overhangs hips and dormers add greatly to the complexity of the framing.
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.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
The run or half the building span is the base of the triangle.
A properly framed attic room can eliminate most of the odd angles and awkward spaces of an.
Attics can be dark and forbidding spaces but they don t have to be.
Installing attic flooring for light storage only.