18″ Gutter Pan

A technical diagram of an 18-inch gutter pan, showing a cross-section with dimensions and construction details. The gutter pan is rectangular with a notched edge, featuring a slightly sloped surface. Various shapes like circles, triangles, and squares are distributed within the pan, indicating different materials or components. Measurements are marked with double-headed arrows showing dimensions: overall length is 18 inches, width and depth are 9 and 8 1/4 inches respectively. Two 4-inch sections are marked along the bottom side. A line within the pan connects various points marked by these shapes. On the right, text specifies the placement of a #4 bar with a minimum lap of 1 foot. Additional notes below outline the placement of expansion joints and dowel curb patches.