Roof Framing Details Purlin

The roof framing is the structure that supports your roof.

Roof framing details purlin.

Timber is by far the most common material for house framing in australia. For example an 8 x 4 under purlin would support the center of a row of 6 x 2 rafters that in turn would support 3 x 2 roof purlins to which the roof cladding was fixed. By supporting the rafters they allow longer spans than the rafters alone. Purlin plates under purlin principal purlins and common purlins.

Timber vs metal frames. Roof sag bar system. The term plate means a major horizontal supporting timber. Purlin plates in wooden construction.

The guide contains details on all stramit purlins girts bridging and relevant accessories. The longitudinal horizontal beam that is sitting on a post or the principal rafter of a truss and used to support common rafters. Purlins rails eaves beams 03 about steadmans nbs plus is a library of technical product information. 13 30 box gable 13 endlap rain carrying table 14 eaves 15 16 ridges 16 18 gables 18 19 flying gable 20 endwall 21 sidewall valley 22 gambrel transition 23 outside corner 24.

During the roof installation or re roofing process after the roof sheets are prepared it is time to support their framework by installing purlins. Post frame estimating roof types 8 post frame building details 9 post frameflashings trim 10 13 post frame trim details. In lightweight timber roof construction under purlins were used to support rafters over longer spans than the rafters alone could span. 1 introduction this detailing and installation guide is complementary to the stramit purlins girts bridging product technical manual incorporating design capacity tables.

The strip of iron attached to the purlin. Purlin plates are beams which support the mid span of rafters and are supported by posts. A purlin plate in wood construction is also called an arcade plate in european english under purlin and principal purlin. There are three types of purlins in wood construction.

The new section range offers complete compatibility between zed and cee sections sizes.