Low Rib Metal Roofing Installation

This is called a low slope application and requires extra steps see above under roof pitch.

Low rib metal roofing installation.

This guide must by read in its entirety before beginning installation. Give our friendly sales staff a call if you have any questions. This guide is supplied by fabral inc. On an end lap ensure the panel above overlaps the lower panel.

This profile can be used for roof and walls in residential and commercial projects. 5 rib roofing panels must be applied on a minimum roof pitch of 2 12 or greater. This is recommended if the roof slope is less than 4 12. Grand rib 3 style metal roofing can be separated from the moisture barrier by minimum nominal 1 x3 yellow pine battens spaced on maximum 24 centers or according to asce calculations where applicable.

The low rib panel has a purlin bearing leg that provides support to the bottom of the panel when installing the lap fasteners. This panel is recommended for roof slopes of 1 12 or greater. Step by step instruction on how to install a standing seam metal roof. 3 5 rib installation guidelines caution.

For use by its customers and is intended to be a guide only. Slope transition high to low slope light gauge metal roof and wall panels installation guide for delta rib delta rib iii nor clad strata rib 2 corrugated slope transition high slope to low slope this flashing must be installed prior to uphill panels. Another option is to install a or 7 8 lap stitch screw in the crown of the rib to secure the side lap. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

Install the roofing screws vertically along each rib in the panel. This panel is great for commercial or residential installs and can also be used on wood or steel frame structures. Allowable uniform loads per square foot engineering notes. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.

When to use low rib. From underlayment venting layout. Between the shingles and metal roof panels is a standard practice. We cover all the basics of metal roof installation.

The minimum roof slope recommended is 4 in 12 of rise 4 12 pitch. Low rib metal roofing can be used as roof or wall panels. You can apply metal roofing to as low a pitch between 2 in 12 of rise and less than 4 in 12 of rise. Butyl tape as shown below is recommended along panel side laps.