How To Determine Roof Size For Shingles

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

How to determine roof size for shingles.

Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. To measure for roofing shingles start by calculating the area of each plane or section of the roof. How you get shingles.

Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. It should have a curved roof. Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.

You will need to express this size in terms of square feet. The first step in a free roofing estimate is measuring the roof dimensions. Just use it as a starting point and you ll have a fairly basic idea of what you re dealing. For example you may need to pay double the cost in asphalt shingles if your roof has a 12 12 pitch a rise of 12 inches 30 cm per 1 foot 0 30 m as opposed to a 4 12 pitch.

A mobile home roof should not be flat. The dead air space between the metal roof and shingle roof will work as a barrier to dissipate heat. Of course there are some measurements which will need to be taken before you are able to calculate the number of roof shingles that you need. Calculate your roof pitch to determine how steeply your roof slopes.

If you are going to use shingles build a pitched roof over the mobile home. Don t use this as your only method of measuring. 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. You should use rolled roofing on a flat roof over lap 1 2 the width of the rolled roofing.

To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.