Problems With Roof Slope At 1 12

Minimum metal roof slope depends on the roof profile building design climate and site location.

Problems with roof slope at 1 12.

Hello our house is being built near the boundary of zone 4 and 5 in illinois with a 1 12 pitch metal roof. After getting some advice here and on green building advisor we re thinki. Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12. Comes in colors and an opaque color which would allow light into the area below.

From the bottom of the rafters to the deck on the house side is 7 and from the deck to the top of the beam is 6 3 1 2 which gives me just under a 1 12 pitch. I ve done a lot of research on low slope roofs because our builder does not have a lot of experience with flat roofs. 1 12 pitch roof if this is a porch on a trailer use corrugated sheet material can be found at lowes. The roofer making the complaint said that he bid that job and lost to a lower bidder while thinking that the only suitable materials would include mule hide epdm or high rib steel.

Typically large footprint single story warehouses and pre engineered metal buildings will utilize low slope metal roof systems. The roof slope is only 1 12. See low slope roofing. Low slope roofs are from 0 to 3 12 in pitch.

Some sources consider low slope to include 3 12 pitch roofs. Rafter length from ledger board to beam is 7 with a 12 overhang.