Metal Roof Purlin Sizes

Generally it will be manufactured due the requirement of the customers.

Metal roof purlin sizes.

Metal roof purlins are installed horizontally under metal roofs. 4 2 1 2 2 1 2 16g. 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. Secondary structural steel members z purlins and girts.

Welded together they can be used as columns braces and ties. The roof purlin sizes of both shapes are ranging in length and thickness. Homepage metal roof metal roof purlins spacing and rafter distance details by rooflast posted on june 29 2020 june 29 2020 during the roof installation or re roofing process after the roof sheets are prepared it is time to support their framework by installing purlins. They give added support to the roof and also provide a nailing surface for the end panels and drip edge.

Purlins are 2 by 4 feet and are installed much like metal roofing. Dimension a dimension b dimension c available gauges finish weight per lf. The standard of purlin length will vary anywhere between 100 to 300 mm while the thickness will vary anywhere between 1 to 3 mm. Cee purlins are secondary steel framing members most commonly used as roof purlins wall girts and header jamb and sill for windows and doors on metal buildings.

The shape of cee purlins does not allow end lapping they are butted together. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.