Roof Window Measurements

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.

Roof window measurements.

Measure and mark the square footage of each triangular section carefully as these tend to differ in size. Take your time to get it right. 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. Measuring windows to find the correct size for replacement is not a difficult task but accurate measurements are critical.

One at the left side one at the center and one at the right side of the window. Buying the incorrect size will waste much more time not to mention money. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. If this distance measures 4 inches you have a 4 in 12 pitch.

8 inches and you have an 8 in 12 pitch. Ignore all pulleys and parting strips when measuring for depth dimensions as they ll be removed for replacement window installation. 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. 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.

Use the smallest of these three height measurements to order the window. Pitch measurement method 1. 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. 10 add up the areas of each section to get your total square footage.