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.
Steel roof purlin sizes.
Dimension a dimension b dimension c available gauges finish weight per lf.
4 2 1 2 2 1 2 16g.
Pre engineered metal building components.
Engineered purlin metal mart offers a complete line of engineered purlin material.
We manufacture any component from 1 2 steel subgirts to 12 section up to 10 gauge.
Steel roof purlins and wall girts are produced and available in house.
Steel z purlins and z girts are also available with other depths and flange widths.
They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top.
Welded together they can be used as columns braces and ties.
The shape of cee purlins does not allow end lapping they are butted together.
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.
Purlins are 2 by 4 feet and are installed much like metal roofing.
They give added support to the roof and also provide a nailing surface for the end panels and drip edge.
Contact flexospan for information on custom purlin and girt structural steel dimensions.
Z purlins and girts c purlins and girts eave struts open track angle purlin and girt clips standing seam roof panel.