Min Roof Pitch In Upstate Ny

Roofing material or system.

Min roof pitch in upstate ny.

The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length. Minimum required slope x in 12 minimum required slope degrees asphalt shingles. In 12 0 25 in 12 1 19 built up roof coal tar pitch. Minimum slopes for metal roof panels shall comply with the following.

Minimum required roof slope for roofing materials. The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. 18 43 asphalt shingles with special underlayment requirements 2 in 12. However for both practical and aesthetic reasons a roof pitch of 4 in 12 is more typical of the minimums we like to see.

9 46 built up roof asphalt. Typically a minimum of one quarter inch per foot of slope is required to ensure that water drains from the roof. What is the minimum slope for an asphalt shingle roof. The minimum slope for lapped nonsoldered seam metal roofs without applied lap sealant shall be three units vertical in 12 units horizontal 25 percent slope.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12.