Minimum Roof Pitch For Standing Seam

Minimum required roof slope for roofing materials.

Minimum roof pitch for standing seam.

Standing seam roofing is a simple quick economic technique often using zinc copper to cater for demanding aspect of construction where unique aesthetic geometric requirements can be resolved. We require a 2 12 pitch for our standing seam products. 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. A 3 degree roof pitch means just over 50mm in every metre so over 3 metres you only have 150mm to play with.

For a 1 12 pitch roof the only metal product i recommend is a mechanically seamed standing seam. Custom cut up to 6 metres. 12 roofing on timber roof covering design details 13 seam cross section 14 detail at eaves external gutter 15 detail at eaves with eaves gutter for pitch minimum 30 16 detail at eaves with eaves gutter for pitch 14 30 17 detail at ridge 17 detail at gable barge board 18 ventilating ridge 19 coping. You can often see such examples of use over metal decks.

18 43 asphalt shingles with special underlayment requirements 2 in 12. Minimum required slope x in 12 minimum required slope degrees asphalt shingles. The minimum slope for standing seam of roof systems shall be one quarter unit vertical in 12 units horizontal 2 percent slope. We recommend 5 degrees however due to site conditions and execution.

Minimum roof pitch 2 rib height 25mm. Standing seam metal roofs with mechanical lock systems to ward off leaks can be successfully and attractively installed on roofs with at least a slope of 1 in 12. In 12 0 25 in 12 1 19 built up roof coal tar pitch. Standing seam is the metal roof profile that has been gaining more popularity nowadays due to its clean and modern looks.

Roofing material or system. This means that the minimum roof slope required for panels is 3 inches of rise per foot. Sig zinc and copper recommend that the minimum pitch for a standing seam zinc roof is five degrees with an absolute minimum of 3 degrees. Variable pan widths available from 230mm to 530mm.

In a few rare special occasions we might approve down to 1 5 12. 9 46 built up roof asphalt. We require at least a 3 12 pitch for standing seam panels to ensure proper water drainage.