How Do I Measure My Roof

It does have to contain all the straight lines of your roof and an accurate measurement of those lines.

How do i measure my roof.

If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. Remember that the length and width need to be found for the roof not the house so take into account that the roof overhangs the building. For instance a 38 panel will have an effective coverage width of 36. It is often compared to slope but is not exactly the same.

Use a pitch. Thus in a simple style house you ll only have to click on the corners. Start by measuring the length and width of the roof in feet as you re standing on the ground. How to use the google maps area calculator tool to measure a roof special precautions must be taken when measuring the area of a roof.

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. First measure 12 inches from one end of the level and make a mark. To find the pitch of your roof you ll first.

The length l times the height h of a triangle is twice its area a2. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. The pitch is the steepness of the roof. Remember it doesn t have to be to scale or look pretty.

Calculating an area of a triangle when estimating a roof. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Measuring your roof from the ground 1. So if you divide your answer of a product of length times height by two you will get the area of a triangle.

For example what we need on the picture of the roofs below are measurements of all the blue or red lines. Roughly draw out your roof on a piece of paper. The images that appear on google maps are often at a slight angle which combined with the angle of a roof can cause errors. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim.

Calculate the pitch of the roof. Find the length and width of the building s exterior walls. Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Stretch your tape measure along the walls from end to end. Here s an easy safe way to determine the pitch from inside your attic. Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements.

Outside of the u s a degree angle is typically used.