Howto Determine Where Roof Ridge Lies

Step 2 determine the surface area of the roof by first measuring the distance along an imaginary horizontal line from the edge of the roof to a spot vertically beneath the highest point.

Howto determine where roof ridge lies.

If you re determined to tackle a roofing job yourself it will be important to calculate the exact square footage of your roof in order to know how much material you ll need. 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. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. 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.

The walls of a hip roof are laid out from the center of the first common rafter. First we need to step off the distance to the theoretical center point where the hip meets the ridge. That way you ll end up with a watertight ridge. If the same house had a central roof ridge dividing the roof into two sloping areas each would cover 300 square feet or half the house.

When you reach the top on the other side of the roof run that paper up and over as well. How to determine hip ridge length and wall layout. If the slope is between 3 12 and 4 12 double the amount and put down 2 layers. The finished ridge beam height z above the top of the wall will be m plus the y height.

How to measure a roof. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. If you re using 15 underlayment and your roof slope is greater than 4 12 use 1 layer. The first common rafter is the one on the end of the ridge.

Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before it starts soaking into the ceiling. Take the run of the main roof 9 feet and using your square and the pitch of the hip in relationship to the main roof 8 inches and 15 5 8 inches step off this distance in the conventional manner. Determining the ridge beam height. How to find a leak in a roof may be the hardest part of fixing a leaky roof.

Determine the number of rolls of underlayment needed. 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. Submitted by ray thornburg on thu 03 21 2013 11 22. By gary hedstrom peg hedstrom judy ondrla tremore.

After taking a few simple measurements.