Attic Framing Plan
Select file new planfrom the menu to open a new blank plan.
Attic framing plan. Figure 2 2 roof framing terms. Select build wall straight exterior wallfrom the menu then click and drag to draw a rectangular structure. Location of your project type of building and its function size of the building or the type of truss span and quantity truss spacing roof pitch overhang tail or soffit width loading roof and ceiling material are we matching an. If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.
Work out dormer details on paper figure a. Collar ties are horizontal members that like rafter ties extend from rafter to rafter but. Is framing a gable dormer for me. Parts of a roof a ridge board is a horizontal member of the roof frame.
Strengthening attic joists for live loads by sistering. Measure your seat cuts. Lay out the dormer on the attic floor before. You should be able.
Sistering is the process of adding a new joist next to each existing joist. Line length is the hyptenuse of the triangle whose. Transfers the load of the roof through the raftersto walls below. While you re at it some carpenters.
Gable dormer framing adding a gabled dormer roof creates additional space and. Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. If you want your attic space to have a flat ceiling you ll need to add collar ties to the framing. Beyond the plans here are the details you need to provide.
Conclusions on roof framing. Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter. As you can see the initial plan for framing your roof needs to take into account several key variables such as the shape of the roof and any relevant community building codes. The point at which all the rafters are attached to.
Because attic trusses require specific conditions to be met before they can be created we ll begin by drawing a simple structure that meets those requirements. You will then have to choose between two very different types of roof framing stick framing vs. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.