A purlin plate in wood construction is also called an arcade plate in european english under purlin and principal purlin.
Roof purlin dimensions.
Purlins are installed horizontally under metal roofs.
The roof purlin sizes of both shapes are ranging in length and thickness.
Steel z purlins and z girts are also available with other depths and flange widths.
Like the z purlin the c purlin takes its name from its shape.
They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.
Purlins are 2 by 4 feet and are installed much like metal roofing.
The standard of purlin length will vary anywhere between 100 to 300 mm while the thickness will vary anywhere between 1 to 3 mm.
Dimension a dimension b dimension c available gauges finish weight per.
They are made from 16 ga 0 060 min 50 ksi structural grade g 90 galvanized steel and specifically notched to fit over the ribs of the existing metal roof panels.
For the lighter material such as lightweight aluminum the common spacing length is 4 inches of clear gap.
They give added support to the roof and also provide a nailing surface for the end panels and drip edge.
By supporting the rafters they allow longer spans than the rafters alone.
They give added support to the roof and also provide a nailing surface for the end panels and drip edge.
Roof hugger retrofit sub purlins are zee shaped structural members that are typically 10 to 12 feet in length.
For heavier material such as gage steel the metal roof purlins spacing length could go up to 4 feet.
Generally it will be manufactured due the requirement of the customers.
Purlin plates are beams which support the mid span of rafters and are supported by posts.
Available in cee or zee shape red oxide primed or galvanized 16 14 or 12 gauge sizes from 4 up to 12 flange widths of 1 1 2 up to 4 cut to your specified lengths hole punching available load tables available for all material.
The term plate means a major horizontal supporting timber.
They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.
Purlin plates in wooden construction.
The typical spacing standards for residential and commercial buildings are about 1 to 2 foot.
Metal mart offers a complete line of engineered purlin material.
Secondary structural steel members z purlins and girts.
Metal roof purlins are installed horizontally under metal roofs.
Available in a variety of sectional properties lengths and sizes.
Z purlins and girts c purlins and girts eave struts open track angle purlin and girt clips standing seam roof panel.
We manufacture any component from 1 2 steel subgirts to 12 section up to 10 gauge.
Purlins are 2 by 4 feet and are installed much like metal roofing.
