Pro Rib Steel Roofing Purlin Spacing

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Pro rib steel roofing purlin spacing.

Fyi we run purlins on 3 5 feet on center depending on size of purlin. At bottom of opening slit panels or. Install emseal closure 3 inches back from metal. Walking or standing on a metal roof which does not have a plywood or other deck beneath it is not recommended.

Install panels on solid decking install plywood deck. 403 279 2766 skylight chimney cut opening in roof panel. Without a set of blueprints with a pe s seal you have no option but to follow the inspectors gig. 5 rib metal roofing system ordering installation guide.

Pdf 27 kb menu. Nominal thickness of 0180 g 100 galvanized coating plus zinc phosphate per astm 653. Crown of the rib to secure the side lap. We do recommend it however.

Noise is usually not a factor if you are installing a steel roof over asphalt. Purlin spacing must be uniform and carefully measured. Pdf 780 kb premium pro steel gutter systems installation. Premium pro rib steel panel substrate shall be.

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. Fastener spacing may not exceed 1 1 2 38mm. Keep metal roofing back 3 inches. Install panels direct ly to wooden framing.

Steel roofing can be costly but it is a lifetime investment. Pdf 929 kb pro rib fencing install. Maximum purlin spacing for roof 5 on center option 1. Do all roofing projects require 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. Rib of roof panel with screws on every rib along both sides of rib. 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. Figure 7 screws should be placed on both sides of the ribs at both eave and ridge.

This option not recom mended for roofing a heated space with no insulation or vapor barrier. 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. For panel lap details see figure 5 on page 4. Use 5 purlin spacing maximum install panels note.

Pdf 31 kb ul 529 pro snap roof construction. Pdf 2 mb chimney flashing instructions. Purlin spacing is dependent on profile of the metal and gauge plus snow and wind load plus what the rafters are designed to carry. 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.