How To Cut A Gable Roof Rafter

I show how to measure layout and cut gable roof rafters.

How to cut a gable roof rafter.

Roof rise this should be calculated from the base of the roof to the highest point of the roof gable the peak. The length of rafters length overhang the angle of the saw cut the distance to drinking. The drawings and the size of the rafters are generated in real time. A birds mouth is a combination of the two cuts made so the roof rafter sits tightly onto the wall plates square edge.

So if your roof is a 45 degree angle that is for every 12 along the horizontal run it rises 12 it s a 12 12 pitch. Intersecting roofs and gable ends form an interesting roofline and allow for usable space on the second level. This video will show you how to figure length and cut a common rafter for a gable roof using a framing square. Here the number is 941 86 inches.

An improved rafter pattern i learned to cut rafters by cutting a full scale pattern then tracing it onto every rafter. The roof rafters provide integral structural support to the roof. How to calculate rafter lengths for gable hip and valley rafters common rafter framing thisiscarpentry how to calculate rafter lengths for gable hip and valley rafters how to cut roof rafters doityourself how to cut a birdsmouth joint fixing rafters and joists wall. The traditional method has been rise inches 12 run inches.

Gable roof a gable roof has two opposite sides with equal slopes and equal spans that meet in the center of the roof at the ridge. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Rafter run outer wall this should be measured starting from the center of the roof span and then extending to the very edge of the exterior wall. The calculator provides online calculate the length of rafters a gable roof.

Here the number is 1166 66 inches. Online calculator produces an accurate calculation of the rafters online calculates the sizes of rafters for the roof. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. If it rises only 6 for every 12 it s a 6 12 pitch.

A seat cut is a horizontally level cut so the rafter can sit flat onto the wall plate. A plumb cut this is an angle to cut that will create a vertically plumb line on the rafter.