Ridge Roof Framing

Since half the load is now supported at the ridge the ridge member becomes a ridge beam that is a load carrying element and must be designed to bridge the span between the supports which carry the vertical load to the ground.

Ridge roof framing.

Once the ridge beam has been positioned in place and supported by roof framing members you can determine the placement of a rafter by measuring down from the top of the beam y height and making a mark on the beam. In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam. Timber steel framing manual single span ridge beam. Glulam ridge beam span table elcho beams tables golagoon.

A ridge beam is thicker than a ridge board so nailing through it into the rafter end isn t an option. Choose a ridge board that is one size larger than your common rafters. Wondering how to build the structure of your roof. Brace these supports in the centerline of the building.

For 2 x 4 rafters use a 2 x 6 ridge board. Gable shed roof with ridge beam framing. Ridge beam height above top of slab height of wall z. Rip the ridge board to the correct width to meet the rafter widths at the ridge.

Toenailing from both faces of the rafter into the beam is one option but makes keeping the rafter lined up difficult. This video covers one of the most exciting parts of roof framing installing rafters. The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters. Rafter hangers are another option for attaching rafters to a ridge beam.

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. We will go over raft. Create a saddle at the top with the braces the height of the building walls plus rise less the width of the ridge board. Framing a roof is the last step in framing new construction.

The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. Position a ridge board down in the saddles of the supports. For 2 x 6 rafters use a 2 x 8 ridge board and so on.