Gable Roof Ridge Support

A gable roof is a simple symmetrical triangular roof.

Gable roof ridge support.

The typical gable roof diagram above shows the r length measured from the outside wall to the middle of the ridge beam the rafter section diagram below typical of a shed or patio cover roof shows the r length measured from the outside wall to the outside face of the ridge beam either one is acceptable depending on which type of roof you are building but if you are using the. Also known as pitched or peaked roof gable roofs are some of the most popular roofs in the us. A ridge beam occupies the same position as a ridge board but it is fabricated from heavier lumber and unlike a ridge board it is supported at the gable ends by structural columns. Collar ties rafter ties tension beams structural ridge beams.

The picture above shows the plan view of a gable roof ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building. Pros of gable roofs. Some of these can support the roof and prevent ridge sagging and wall spreading. The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system.

Framing a gable roof building a gable with barge end purlin struts and collar ties. But a gable roof also requires some form of horizontal. The ridge board must be set as perfectly as possible so take your time and use careful measurements. 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.

Gable roofs will easily shed water and snow provide more space for an attic or vaulted ceilings and allow more ventilation. To build your gable roof you ll need wooden boards cut into joists rafters supports and a ridge board in addition to sheathing felt paper and shingles. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. A ridge beam is a structural member used to support the ends of the rafters at the ridge transferring it s loads to posts or gable end walls.

A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials.