Noggins In Roof Rafters

In the construction trade studwork to strengthen walls and joists are called noggins.

Noggins in roof rafters.

Whilst rafters and rafter feet are the main structure of your roof and roofline studding out gives extra support for your fascia boards and soffits. Noggins sometimes called bridging or blocking are timbers used all over the place during first fix structural carpentry to strengthen and stiffen wall floor and other timber structures. Studding out runs are only needed if the run of your roofline has fascias and soffits. Noggins are a common example of where you may need to toe nail timber together too.

This is a method you may use when joisting building timber stud walls fixing roof rafters or almost any other number of jobs where nailing lengths of timber together is required. According to the salford city council steel strapping must be affixed to the noggins separating the roof trusses or rafters. Noggins help to straighten out wall studs and floor joists and they are also used to provide a strong fixing for something that will be later fixed to the structure. Rafter to beam detail b approved roof covering over roof sheathing boundary nails at 6 o c.

Roof rafters see section supporting beam see front view post see section maximum overhang backspan 5 see section rafter spacing 12 16 24 16 24 32 24 32 48 light roof 8 4 7 6 6 6 12 0 10 0 9 0 12 0 11 6. The noggins must be nailed to each joist on either side of the wall and directly underneath the studs of the partition wall. The straps and the noggins as well cannot be more than 2 meters 39 inches apart. Bridging blocking herringbone struts in joists stud work and roofing.

If the roof is tiled or slated then the tiling battens will be maintaining spacings although they won t be preventing twisting.