Guide to Roof Pitch and Roofing Materials
Spaces Images/Getty Images Roof pitch matters when choosingroofing materials. Roof Pitch Roof pitch is the angle of a roof. Roof pitch is designated by two numbers that indicate a ratio. Spaces Images/Getty Images The numbers can be separated by either a slash or a colon. Example The tape measure reads 2 feet. So, for every four horizontal feet, the roof dips 2 feet vertically. The roof pitch is 2:4. To express the same pitch in a more familiar XX:12 format, multiply both numbers by three....