8 inches and you have an 8 in 12 pitch.
Roof window measurements.
If you have a roof section that s 30 feet 9 1 m long and 12 feet 3 7 m high multiplying those dimensions would give you an area of 180 square feet 17 m 2.
If this distance measures 4 inches you have a 4 in 12 pitch.
Use the smallest of these three height measurements to order the window.
Take your time to get it right.
One at the left side one at the center and one at the right side of the window.
Measure and mark the square footage of each triangular section carefully as these tend to differ in size.
Measure from the high point of the sill of your window the surface closest to the inside of the window to the top of the window opening.
Buying the incorrect size will waste much more time not to mention money.
This guide will teach you how to measure windows for replacement how to measure for window screens and how to measure for storm windows to determine the correct size.
Our tool allows you to outline roofs identify roof features edges identify the pitch of each facet and add pins to roof attributes that will help you price your roofing project.
First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
10 add up the areas of each section to get your total square footage.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Pitch measurement method 1.
Reduce the need for on site visits.