Crown of the rib to secure the side lap.
Maximum supporrt spacing pro rib steel roofing.
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.
Classic rib for more than 50 years metal sales manufacturing corporation has earned a reputation as the premier provider of innovative metal building components and accessories.
This article describes the fastener screw or nail schedule for several types of exposed fastener metal roof systems citing manufacturers installation manuals and guidelines.
8 rib height panel length.
Spacing recommendations for exposed fastener metal roof systems.
This allows the panels to be securely attached to the rafters for maximum stability.
We ve backed this reputation with the industry s largest professional sales and services team.
We include a discussion of the requirement for use of a greater number of metal roof fasteners in high wind zones and we give an example schedule of the.
When to use low rib.
45 recommended exposed fastened low profile roof and wall system trapezoidal rib on 9 centers minimum roof slope.
3 12 ul 2218 impact resistance class 4 ul 790 fire resistance rating class a per building code ul 263 fire resistance rating per assembly.
Purlin spacing for metal roofing the country inspector upon approving the plans seems to have written in per manufacturers specs regarding 2x4 purlins on 16 centers.
This profile can be used for roof and walls in residential and commercial projects.
We offer a full line of exceptional quality metal roof and wall panels.
Fasteners intermediate supports fastening patterns roof applications fastening patterns.
The low rib panel has a purlin bearing leg that provides support to the bottom of the panel when installing the lap fasteners.
Between the shingles and metal roof panels is a standard practice.
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 lay plywood deck.
When placing rafters for a tin roof also frequently referred to as corrugated metal or steel it is common to set the distance between rafters based on the size of the roofing panels.
A relatively complicated roof is shown to allow for the many types of trim and roof plans.
The building was built 24 on center.