1 2 On 12 Roof Slope

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

1 2 on 12 roof slope.

0 pitch 1 00x the roof area. The most common slopes are. Since this is a flat roof or nearly flat roof. The table below shows common roof pitches and the equivalent grade degrees and radians for each.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. For example if you measure 4 inches the pitch of your roof is 4 12. 3 12 1 2 12 and 1 4 12. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.

Once you ve figured out the pitch of your roof you can consult the following chart to discover the slope factor and hip valley factor. The combination of two numbers are used to display or show the roof pitch. A 4 12 is a roof slope that rises by 4 inches for every 12 inches across. A 4 12 slope is enough to accommodate water runoff but is not suitable for regions that are.

This forms an angle of 18 5 between the horizontal section and the roof and creates a gentle incline that is seen as a midpoint between a low pitch and medium pitch roof. You can go by the measurements taken by walking the roof. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Simply put it s a shallow roof.

Pitch of roof slope factor valley hip factor. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. Download the slope chart pdf. Asphalt shingles continue to be the most widely installed roof covering option in north america.

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. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. Metal roof slope is expressed by a ratio indicating the roof pitch which notes the vertical rise of the roof in inches for every 12 inches the roof runs horizontally in other words dividing the vertical rise and its horizontal span. 1 pitch 1 01 2 pitch 1 02 3 pitch 1 03 4 pitch 1 05 5 pitch 1 085 6 pitch 1 12 7 pitch 1 16 8 pitch 1 21 9 pitch 1 25 10 pitch 1 31 11 pitch 1 36 12 pitch 1 42.