C and z span load table.
Roof purlins steel.
The shape of cee purlins does not allow end lapping they are butted together.
The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.
In this section you ll find sample calculations for determining wind and snow loads as well as z purlin and z girt weight tables.
Engineered purlin metal mart offers a complete line of engineered purlin material.
Steeline c purlins are available in different sizes and material strengths to match the design specification of your building.
Do all roofing projects require purlins.
Step 1 run a tape measure from end to end along the rafters of the roof to determine how many purlins will be needed for installation.
They are available in galvanized and stainless steel and can be coated in zam and or prime painted.
Roof purlins are used for fastening metal roof panels.
For heavier material such as gage steel the metal roof purlins spacing length could go up to 4 feet.
The support system for the roof is comprised of ridgepole and rafters or purlins.
Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern.
Purlins are installed horizontally under metal roofs.
Purlins are an important component in a pre engineered steel structural kit.
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.
These structural supports run perpendicular across the rafter beams.
The purlins are in turn supported by rafters or walls.
Steeline c purlins are made from quality galvaspan steel and are roll formed to length with holes punched to your specification.
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.
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.
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 purpose of purlins.
Purlins are 2 by 4 feet and are installed much like metal roofing.
Welded together they can be used as columns braces and ties.
