Roofing Options For 1 12 Pitch Roof

At 1 12 pitch you are right at the threshold where standing seam becomes impermissible i mean true standing seam with a rolled lock seam and soldered flat seams must be used.

Roofing options for 1 12 pitch roof.

9 46 built up roof asphalt. The slope of a roof often referred to as the pitch is determined by rise over run the roof s vertical rise in inches for every twelve inches of horizontal length the run. 18 43 asphalt shingles with special underlayment requirements 2 in 12. So a roof with four inches of rise every 12 inches horizontally run would have a slope of 4 12 sometimes displayed as 4 12.

In 12 0 25 in 12 1 19 built up roof coal tar pitch. You could also opt for a pvc flat roofing membrane. Minimum required roof slope for roofing materials. Roof pitch area multipliers.

Coal tar built up roofs can be installed on a roof pitch of 1 8 12 or greater. The pitch of the roof is the rise over a 12 inch run. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12. For example a 4 12 pitch roof that is 100 square feet.

Lapped nonsoldered seam metal roofs without applied lap sealant must have a minimum roof slope of 3 12. Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum.

Use our roof pitch calculator to find the pitch of your roof. A very low pitch roof can also be done in metal. Roofs on victorian era houses were often sharply angled with a steep pitch. There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12.

Minimum required slope x in 12 minimum required slope degrees asphalt shingles. Visually this roof appears flat. Modified bitumen roofing requires a minimum roof pitch of 1 4 12 or greater. Roofing material or system.

Standing seam roof systems must have a minimum roof slope of 1 4 12. This pitch might be as low as 1 12.