Metal Roof 1 4 12

Hi john the international building code ibc in section 1507 4 2 3 specifically allows standing seam metal roof panel system on slopes as flat as 1 4 12.

Metal roof 1 4 12.

In fact a properly installed metal roof can be used on roofs as shallow as 1 2 inch 12 inches which is almost flat. Generally these roofs have a pitch from 1 2 12 to 2 12 from 4 2 to 16 7. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Ice build up is probably the biggest challenge at this slope.

When i remove a red clay ridge off the top there is a 1 4 to 1 inch opening where i can actually reach my hand into the attic and vice versa when inside the attic. Low pitched roofs have the pitch below 4 12 33 3. Modified bitumen roofing requires a minimum roof pitch of 1 4 12 or greater. Long lasting and old fashioned metal roofing is an excellent design choice if most of your house has steeper roof planes that are covered in.

These are generally difficult in maintenance as they require special materials to avoid leaks. Standing seam roof systems must have a minimum roof slope of 1 4 12. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. It can cause hydrostatic conditions standing water.

Most roof s have a pitch in the 4 12 to 9 12 range. Metal roofing 25 30 in. Conventional roofs have the pitch ranging from 4 12 to 9 12 33 3 to 75. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12.

Thermoset and thermoplastic single ply roofing requires a minimum roof pitch of 1 4 12 or. Todd i have a roof that i m estimating at the the is a 4 12 or 5 12 slope.