Minimum Slope For Standing Seam Copper Roof

You can often see such examples of use over metal decks.

Minimum slope for standing seam copper roof.

The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. A standing seam design assures adequate draining from rain and snow effectively eliminating ponding leaks and related problems typically associated with built up roofs. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. The profile refers to the shape the metal sheets take when they bend to.

Depending on the roof profile there are minimum roof slope requirements for each panel which need to be considered. Standing seam roof systems must have a minimum roof slope of 1 4 12 2 slope. Mansard roofs are usually steep but they often have changes in their slope. The associa tion also stresses deflection of purlins and rafters under dead and live loads.

In retrofit projects a sub framing system is attached to the existing flat roof surface to provide a minimum 12 roof pitch. The recommended dimensions should be specified from the table below. Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more. Copper standing seam roofing panel.

This means for every 12 horizontal units the roof must rise a minimum of one half vertical unit. Speaking about standing seam metal roof slope it is a general and a self evident knowledge that the steeper it is the faster it is for snow rain or drain to come down the roof. Mbma recommends a minimum slope of 1 2 in 12 2 4 degrees for through fastener metal roof systems and 1 4 in 12 1 2 de grees for standing seam metal roof systems. Standing seam roofing is composed of preformed or field formed pans usually between 14 to 18 inches wide when finished.

The minimum recommendations are therefore the same as the base standing or batten seam roof. Table 8 1c outlines the recommendations regarding flat seam construction. Copper roofs are light weight and strong lasting up to 50 years or even more with regular repairs and maintenance. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12 4 slope.

Through fastener metal roof systems and standing seam metal roof systems. An upscale copper standing seam roof or roofing accent will look amazing and will differentiate your home from the others on the block. The metal is highly resistant to fire hail and mildew.