Framing Edge Of Roof

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.

Framing edge of roof.

Hip the hip roof has four sloping sides. With practice you can make square cuts by aligning the front edge of the saw s base with the far edge of the board. Collar ties rafter ties tension beams structural ridge beams. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat.

When you reach a corner where an eave and rake edge meet you need to make a cut to ensure a proper fit. This tip leaves the area between the studs free for the electrician or plumber to drill holes without hitting your nails. A gable roof has a ridge at the center and slopes in two directions. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.

Use a framing square to help lay out the notch based on the slope of the roof. Roof framing begins after the house walls have been framed. A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule.

Add the length of the overhang beyond this mark and. Nominal 2 lumber is generally used for roof framing but i joists are increasingly common see chapter 13 engineered wood. Framing can be in the way. For example when you nail on the double top plate keep the nails located over the studs.

Install the drip edge as normal. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof. Then bend in the. Position the square at the end of the rafter board with the tongue on your left and facing away from you.

It is the form most commonly used by the navy. You then have rafters running down from this ridge board and resting on the top wall plates. In most cases the walls have also been sheathed to increase their strength and stiffness. Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang.

Some of these can support the roof and prevent ridge sagging and wall spreading. It is simple in design economical to construct and can be used on any type of structure. It is the strongest type of roof because it is braced by four hip rafters.