Double lock seam symmetrical seam one piece snap lock interlock and two piece snap lock interlock.
Minimum roof pitch for standing seam metal roof mbci.
According to the 2012 international building code 1507 4 2 deck slope minimum slopes for roof panels need to comply with the following.
These panels are typically 16 or less in width and ideal for roofs that have a 3 12 or greater slope.
However there are many mechanically seamed standing seams that are very appropriate for lower pitch roofs usually down to about 1 4 12 most flat seam products will have soldered seams to make them watertight even on a flat roof.
Roof slopes can vary from 12 minimum to 1 12 depending on product profile and building.
Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12 25 slope.
The minimum roof slope for metal roof panels depend on 3 different scenarios.
For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam.
In a few rare special occasions we might approve down to 1 5 12.
Snap lock standing seams should not be used on roofs under 1 5 or 2 12.
The minimum slope for lapped non soldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope.
Standing seam manufactures allow applications of metal coverings on slopes of 12 or even more.
The standing seam metal roofing presentation delivers an informative comparison between metal roofing materials and alternative roofing materials.
There are some opinions that standing seam metal roof minimum slope is 12 but it increases the possibility of leaking on the few first days of snow arrival.
We require a 2 12 pitch for our standing seam products.
Metal roof panels minimum roof slope roof pitch r905 10 2.
In country with heavy snow and tough winter days the metal roof minimum slope is recommended to be 1 12.
The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems.
Standing seam metal roof panels require application to solid substrates or open framing with concealed mechanical clips available in.
Thanks for your questions.
It discusses the availability of metal in a variety of finishes and the economic and environmental advantages of metal.
The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code.
You can often see such examples of use over metal decks.
Mbci manufactures quality standing seam metal roofing panels that are lightweight and last up to 60 years.
Standing seam panels offer sleek lines that create a modern look.