Pro Rib Steel Roofing Purlin Spacing

The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.

Pro rib steel roofing purlin spacing.

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. 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. Pdf 2 mb premium pro snap snow bar clip installation. Without a set of blueprints with a pe s seal you have no option but to follow the inspectors gig.

Premium pro rib steel panel substrate shall be. Pdf 779 kb ul 560 pro rib roof construction. Pdf 780 kb premium pro steel gutter systems installation. Grand rib 3 style metal roofing can be separated from the moisture barrier by minimum nominal 1 x3 yellow pine battens spaced on maximum.

At bottom of opening slit panels or. Nominal thickness of 0180 g 100 galvanized coating plus zinc phosphate per astm 653. Keep metal roofing back 3 inches. Pdf 2 mb chimney flashing instructions.

For panel lap details see figure 5 on page 4. Pdf 31 kb ul 529 pro snap roof construction. Figure 7 screws should be placed on both sides of the ribs at both eave and ridge. 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.

Walking or standing on a metal roof which does not have a plywood or other deck beneath it is not recommended. Pdf 929 kb pro rib fencing install. Pdf 27 kb menu. Use 5 purlin spacing maximum install panels note.

Install panels direct ly to wooden framing. Install emseal closure 3 inches back from metal. Steel roofing can be costly but it is a lifetime investment. 403 279 2766 skylight chimney cut opening in roof panel.

Install panels on solid decking install plywood deck. 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. Do all roofing projects require purlins. Purlin spacing must be uniform and carefully measured.

Fastener spacing may not exceed 1 1 2 38mm. This option not recom mended for roofing a heated space with no insulation or vapor barrier. 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. 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. Noise is usually not a factor if you are installing a steel roof over asphalt. Maximum purlin spacing for roof 5 on center option 1.