Roof Rafter Framing Details

The point at which all the rafters are.

Roof rafter framing details.

Cover some of the more common roof and rafter terms you ll need. I plan to have 2 10 joists so there will be a second floor. Flashing is used to seal the gap between the chimney and roofing material. Some of these can support the roof and prevent ridge sagging and wall spreading.

Span is the horizontal distance between the outside. Roof frame plan details the rafters and the spacing of the roof. The function of each component is. Position the square with both the 8 inch on the outside edge of the tongue and the 12 inch on the blade on the upper edge of the board.

Roof features associated with basic roof framing terms are shown in figure 2 2. A common rafter refers to all the rafters that are identical in a specific roof s construction. Construction of a rafter roof. To find the length of a common rafter you can use a construction calculator a free online calculator or some junior high math involving the pythagorean formula.

Parts of a roof a ridge board is a horizontal member of the roof frame. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Refer to the figure as you study the terms discussed in the next paragraphs. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.

Chimneys are typically built with a water diverter known as a cricket or saddle above the chimney. Roof framing terms are related to the parts of a triangle. In a rafter roof all of these components are required to provide a stable roof. Once you make a pattern rafter all or most are cut to match.

Gable roof framing plan. From the second floor i have added another 2 framing around on which the roof rafters will sit. Hi all i am new to this rafter lingo and techniques but am building a shed that is 16 x16. Hip valley 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. Rafter layout with a framing square. Collar ties rafter ties tension beams structural ridge beams. Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties.

This example is for a roof with an 8 12 pitch. Framing a roof is the last step in framing new construction. I plan to support the ridge beam with support beam in the middle and the ends.