Roof Overhang Outriggers

Fixings for purlins on the flat are given in.

Roof overhang outriggers.

Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. Points to note when reading nzs 3604 2011 there are some clarifications and corrections for clause 10 2 1 15 2 purlins and 10 2 1 15 3 outriggers. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.

Cuz they say they aren t u l. Approved and i ve always solved it some other way. Sketch of a gable end overhang constructed using the ladder detail. The figure also indicates the directions of the wind forces that will tend to lift off the roof sheathing and gable overhang.

I have a small mini fascia which sits back 2 rafters back to strengthen. Click image for larger version the second method uses outriggers and is more frequently used if the ov erhang is greater than 12 inches. I m using joist extensions on the side perpendicular to joists. Clearly it is beyond the scope of nzs 3604 2011 to increase the overhang by combining both purlin cantilevers plus outriggers.

That s exactly the info that i was looking for. Framing gable roof overhangs in florida. Country life projects living 673 024 views. Are the lookouts outriggers installed on flat or on edge.

So i have a 900 overhang on a basic gable roof i have allowed my outriggers to be twice that distance to allow for the 2 1 backspan ratio. The building has a 4 ft roof overhang all around. My question is on the sides parallel to joists. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

However my lower corner is not as strong as i would like. The size of the roof overhang you choose depends largely on the style of your shed s roof.