Roof Purlin Dimensions

A purlin plate in wood construction is also called an arcade plate in european english under purlin and principal purlin.

Roof purlin dimensions.

The roof purlin sizes of both shapes are ranging in length and thickness. The standard of purlin length will vary anywhere between 100 to 300 mm while the thickness will vary anywhere between 1 to 3 mm. Like the z purlin the c purlin takes its name from its shape. Dimension a dimension b dimension c available gauges finish weight per.

Metal roof purlins are installed horizontally under metal roofs. By supporting the rafters they allow longer spans than the rafters alone. Roof hugger retrofit sub purlins are zee shaped structural members that are typically 10 to 12 feet in length. Pre engineered metal building components.

They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Metal mart offers a complete line of engineered purlin material. 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. Contact flexospan for information on custom purlin and girt structural steel dimensions.

Steel roof purlins and wall girts are produced and available in house. Available in a variety of sectional properties lengths and sizes. For heavier material such as gage steel the metal roof purlins spacing length could go up to 4 feet. Purlins are 2 by 4 feet and are installed much like metal roofing.

Steel z purlins and z girts are also available with other depths and flange widths. We manufacture any component from 1 2 steel subgirts to 12 section up to 10 gauge. The typical spacing standards for residential and commercial buildings are about 1 to 2 foot. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.

Purlins are installed horizontally under metal roofs. Purlins are 2 by 4 feet and are installed much like metal roofing. Z purlins and girts c purlins and girts eave struts open track angle purlin and girt clips standing seam roof panel. The term plate means a major horizontal supporting timber.

Purlin plates are beams which support the mid span of rafters and are supported by posts. Purlin plates in wooden construction. 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.

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.