Howto Determine Where Roof Ridge Lies

As a reminder please don t forget to add height of rafter thickness of roofing material and ridge vent to the number that you ll get using our calculator.

Howto determine where roof ridge lies.

Using the end common rafter length i calculated the ridge at 6 3 8 by taking the length of the bldg of 112 minus both end common rafters of 105 5 8. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. When you reach the top of the roof run your last row long photo 6 and drape the paper over the peak top ridge onto the other side. The first step in a free roofing estimate is measuring the roof dimensions.

If you ever wondered how to figure your overall building height or roof height here we have a calculator to make life a little easier for you. Which if either of these calculations is correct. This will be the third of a series of three videos if. The building line is the point from which you start to calculate the run of your common rafters to the centerline of the roof.

That way you ll end up with a watertight ridge. Using the run of 4 i calculate the ridge at 16 length of bldg of 112 minus run on each end. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. You will need to express this size in terms of square feet.

Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. In this video i will look at how to calculate the length of the ridges on a broken hip and valley roof. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Enter square footage calculate or enter the square footage of the attic or area to be vented.