How To Determine Roof Size For Shingles

How you get shingles.

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. The first step in a free roofing estimate is measuring the roof dimensions. Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. Don t use this as your only method of measuring.

A mobile home roof should not be flat. 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. You will need to express this size in terms of square feet. It should have a curved roof.

Just use it as a starting point and you ll have a fairly basic idea of what you re dealing. Outside of the u s a degree angle is typically used. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle.

To measure for roofing shingles start by calculating the area of each plane or section of the roof. 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. Next divide your total area by 100 to calculate the number of roofing squares you ll need to buy. You should use rolled roofing on a flat roof over lap 1 2 the width of the rolled roofing.

Keep in mind that using google earth isn t going to give you a 100 percent accurate reading but it will give you a basic idea of the size of the roof for your calculations for the roofing materials. Calculate your roof pitch to determine how steeply your roof slopes. A square of shingles will be the amount needed to cover an area of 100. If you are going to use shingles build a pitched roof over the mobile home.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.