3 2 Roof Pitch

Roof pitch designations are comprised of two numbers indicating a ratio.

3 2 roof pitch. Using pitch its footprint and basic geometry you can quickly and with a high degree of accuracy calculate the length of the gable sides. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. A roof pitch multiplier also known as a roof pitch factor is a number that when multiplied by the area covered by a sloped roof gives the actual area of the roof. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

Or the colon can replace the slash as in 2 12 or 7 12. Asphalt shingles continue to be the most widely installed roof covering option in north america. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 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.

Since this is a flat roof or nearly flat roof. For example a 3 pitch or 3 in 12 pitch or 3 12 pitch all mean that the roof rises 3 inches for every 12 inches of it s horizontal run. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Most roof s have a pitch in the 4 12 to 9 12 range.

Roof pitch defined and explained. Let us recap on the minimum roof pitch required for each type of roofing material. Pitch is the term used to describe the angle slope or slant of your roof. You can go by the measurements taken by walking the roof.

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. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. 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. The maths behind this number is that it is the square root of rise run 2 1.

Metal roof shingles require a minimum roof pitch of 3 12 or greater. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Asphalt shingles require a minimum roof pitch of 2 12 or greater. 3 understanding the roof pitch chart process 4 finding the best roof slope conversion chart for many home owners the roof is a hugely important feature of the home and is the key section of the home which is seen from the exterior.

0 pitch 1 00x the roof area.