How Do I Measure For My Roof

Use a pitch.

How do i measure for my roof. First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. L h 2 area calculating an area of a triangle when estimating a roof. The length l times the height h of a triangle is twice its area a2. So if you divide your answer of a product of length times height by two you will get the area of a triangle.

1 roof square 100 square feet. Determine the length of the metal panels needed for one side of your roof by measuring from the fascia board the board attached to your roof joists to the ridge the peak of the roof. Once the area of the roof s footprint is known the overall roof area can be found by accounting for the pitch of the roof. For example your roof could measure 12 feet to its peak.

Finding the total roof area. 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. Stretch your tape measure along the walls from end to end. Select the style that best matches your project and move on to step 1.

Find the length and width of the building s exterior walls. Calculate the pitch of the roof. 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. 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.

Measuring your roof from the ground 1. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. This number will tell you the total length of metal panels needed. Remember it doesn.

Thus in a simple style house you ll only have to click on the corners. Outside of the u s a degree angle is typically used. For instance a 38 panel will have an effective coverage width of 36. We have examples of two of the most common roof styles below.

Here s how you prepare what we need to do a detailed quote for you. To find the pitch of your roof you ll first. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.

The hip style roof is in blue and the gable style roof is in red. Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy. Then determine the area of the roof as if it were flat. Roughly draw out your roof on a piece of paper.