1x4 Perlins For Metal Roof

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.

1x4 perlins for metal roof.

Engineered purlin metal mart offers a complete line of engineered purlin material. We do recommend it however. Do all roofing projects require purlins. On metal frame building and the like you will likely see structural metal roofing installed on purlins that is what those 1x4 are purlins and those metal roofing panels are rated for that type of installation.

Most you see on homes and many commercial building is non structural metal roofing and needs to be on solid sheathing. Tin roofing also known as metal roofing is considered more durable than composition or wood shingles. There are two ways to do this put in firring nailing though nails are not used any more for this strips or purlins in steel frame construction on the roof to support it or place the metal roofing directly on a flat surface like foam insulation board or the roof sheathing with roof water barrier in the correct position in the layer. Installing wood stripping under a tin roof.

However the screw placement diagrams commonly are based on the on center spacing center to center of the purlin rather than the gap between purlins to determine the length and spacing of the screws needed to prevent wind blowoff for various design wind speeds so pay close attention to that difference. The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.