Roof Framing Methods

It is simple in design economical to construct.

Roof framing methods.

You can cut each rafters from 2 thick lumber and erect them one at a time this is called hand framing or you can use today s more excepted method prefabricated roof trusses. Platform construction is much more common than balloon framing though balloon framing was employed in many two story houses before 1930. Standard stick framing or the newer truss framing. This will the first point of the rafter measurement line.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. When it comes to framing the roof there are two basic ways you can go. Roofs are basically five types. This allows more insulation in the exterior walls uses fewer studs and also lets the roof joists bear directly on each stud.

Next use these calculations to determine how many rafters you ll need for your roof and cut them to size. Nearly all roofs are framed using one of two methods. Eht explores some basic roof framing techniques from layout to installation. Valleys are formed when two sloping roof sections drain toward each other.

Common types of roofs and basic framing terms. It is the form most commonly used by the navy. Advanced framing utilizes the same techniques but typically moves the on center framing up to 24 and calls for single top plates which is very hard to pull off unless you can align the roof truss loads to sit perfectly on top of your wall studs. Hip roofs for example slope toward walls on all sides and are joined at hip rafters that span from corners to a ridge.

Platform and balloon frame construction. Gable a gable roof has a ridge at the center and slopes in two directions. Roof framing rafter layout 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. An example of each is shown in figure 2 1.

Advanced corner framing allows the use of one less stud in a corner and also provides space for more insulation to reduce thermal bridging. Then gather your measurements by calculating the run rise and length of each rafter segment in feet and the pitch of your roof in inches. Two basic methods are used for framing a house. 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.

Expert diagrams of the two major types of wood frame construction for house walls and roofs. Measure down y height from the long point of the rafter cut and make a mark. Light frame methods allow easy construction of unique roof designs. On our first two houses we hand framed the roofs.

Stick framed roofs utilize individual rafters that span from the top of exterior walls to the ridge. Shed gable hip gambrel and mansard.