Pitched Roof Framing

No matter which kind of roof framing is used they both contain one element that you ll need to be familiar with and that s the pitch of the roof.

Pitched roof framing. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. In profile the framing of a conventional pitched roof forms a triangle. Three important considerations for building a shed roof roof pitch. From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it measure down y height from the long point of the rafter cut and make a mark.

Next use these calculations to determine how many rafters you ll need for your roof and cut them to size. Gable a gable roof has a ridge at the center and slopes in two directions. This process uses pre built wood forms to build the roof frame. So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark.

Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. The pitch of the roof refers to the angle or steepness of the roofing frame. The inherent strength and integrity of the triangular form makes the roof a sound structure. This video covers one of the most exciting parts of roof framing installing rafters.

Wondering how to build the structure of your roof. This means that for every horizontal run of 12 you need at least 3 of rise. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. Roof framing rafter layout.

We will go over raft. Guide to building and framing a saltbox style roof. An example of each is shown in figure 2 1. Common types of roofs and basic framing terms.

Fix stair gauges on the framing square to mark the pitch. Rafter layout this article will discuss a gable roof without valleys or dormers because it s the most common and the easiest for a first time builder to tackle. A framing square is traditionally used for laying out the roof and determining pitch. One thing you never want to do when designing your roof is build one with a pitch lower than 3 12.

Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. To frame a roof start by choosing a roof style like a frame or gabled.