Roof Overhang Outriggers

Framing gable roof overhangs in florida.

Roof overhang outriggers.

Country life projects living 673 024 views. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Sketch of a gable end overhang constructed using the ladder detail. The building has a 4 ft roof overhang all around.

I m using joist extensions on the side perpendicular to joists. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. Cuz they say they aren t u l. 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.

Approved and i ve always solved it some other way. However my lower corner is not as strong as i would like. I have a small mini fascia which sits back 2 rafters back to strengthen. Fixings for purlins on the flat are given in.

Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. 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. Click image for larger version the second method uses outriggers and is more frequently used if the ov erhang is greater than 12 inches. Are the lookouts outriggers installed on flat or on edge.

The figure also indicates the directions of the wind forces that will tend to lift off the roof sheathing and gable overhang. I ve never used the loose outriggers from the joist mfg. 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. The size of the roof overhang you choose depends largely on the style of your shed s roof.

That s exactly the info that i was looking for. Clearly it is beyond the scope of nzs 3604 2011 to increase the overhang by combining both purlin cantilevers plus outriggers.