Pro Rib Steel Roofing Purlin Spacing

Crown of the rib to secure the side lap.

Pro rib steel roofing purlin spacing.

Install panels on solid decking install plywood deck. Pdf 929 kb pro rib fencing install. Do all roofing projects require purlins. Premium pro rib steel panel substrate shall be.

Noise is usually not a factor if you are installing a steel roof over asphalt. Steel roofing can be costly but it is a lifetime investment. 5 rib metal roofing system ordering installation guide. Fyi we run purlins on 3 5 feet on center depending on size of purlin.

Rib of roof panel with screws on every rib along both sides of rib. For 2 x 4 purlins use 9 x 1 woodfast screws fastener spacing panel screws per lineal foot of roofing 12 4 5 18 3 0 24 2 5. Purlin spacing must be uniform and carefully measured. Pdf 27 kb menu.

This option not recom mended for roofing a heated space with no insulation or vapor barrier. Nominal thickness of 0180 g 100 galvanized coating plus zinc phosphate per astm 653. Fastener spacing may not exceed 1 1 2 38mm. For panel lap details see figure 5 on page 4.

Pdf 2 mb chimney flashing instructions. At bottom of opening slit panels or. Pdf 2 mb premium pro snap snow bar clip installation. Keep metal roofing back 3 inches.

403 279 2766 skylight chimney cut opening in roof panel. Grand rib 3 style metal roofing can be separated from the moisture barrier by minimum nominal 1 x3 yellow pine battens spaced on maximum. Without a set of blueprints with a pe s seal you have no option but to follow the inspectors gig. Pdf 31 kb ul 529 pro snap roof construction.

Roof sheathing consists of premium pro rib steel panels attached to the top edge of roof purlins in accordance with manufacturer s specifications or as shown on design drawings. Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing. Pdf 780 kb premium pro steel gutter systems installation. Install panels direct ly to wooden framing.

Maximum purlin spacing for roof 5 on center option 1. The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to. Walking or standing on a metal roof which does not have a plywood or other deck beneath it is not recommended. Figure 7 screws should be placed on both sides of the ribs at both eave and ridge.

Use 5 purlin spacing maximum install panels note. 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. 2 1 3 4 5 figure 5 p install metal directly to wood metal frame use maximum 2 purlin spacing install metal do not use this option for heated spaces install metal on solid deck. Pdf 779 kb ul 560 pro rib roof construction.