Steel Roof Rafter And Ridge Connection Detail

Collar ties rafter ties tension beams structural ridge beams.
Steel roof rafter and ridge connection detail. Some of these can support the roof and prevent ridge sagging and wall spreading. The function of each component is. Connection details for roof purlins a purlin rafter modelling of a timber roof structural ering general rafters poorly attached to ridge beam building interesting rafter ridge beam attachment roofing mon. The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends.
Choose a ridge board that is one size larger than your common rafters. For 2 x 6 rafters use a 2 x 8 ridge board and so on. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 สบ per foot to ensure proper drainage.
Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. The ridge board is non load bearing and merely provides the point of connection for.
In a rafter roof all of these components are required to provide a stable roof. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. The rafters carry the applied loads to the exterior walls.
Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. For longer slopes and lower roof pitches contact fabral for other suitable profiles. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. Roof truss parts explained.
Fig 2 5 3 rafters poorly attached to ridge beam building wall removal and hidden beam in attic remodeling installing patio roof rafters ceiling joist and rafter framing details home. For 2 x 4 rafters use a 2 x 6 ridge board. 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.