House Roof Sizes

The typical factor is 25 more roof than house square footage.

House roof sizes.

The total cost to reroof a house with new shingles is between 4 707 to 15 690 which includes old roof removal new roofing materials and professional installation. 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. The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering.

Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area. Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. Roof shapes differ greatly from region to region. Roof installation cost ranges from 300 to 380 per square metre depending on the roof size and materials used in reroofing.

The uk national average cost to replace a roof is 5 300 with most homeowners spending between 2 300 and 7 300. The slope of your roof will factor into how many additional square feet are on your roof. 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. Roof pitch is a measurement of a roof s slope expressed as a ratio.

Roof size calculations the hard way. Measure your house at ground level then add in the roof s overhang for greater accuracy. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Things you will need steel tape measure.

As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. There are various lengths widths and. Outside of the u s a degree angle is typically used.

Take your ground floor square footage and multiply by 125. The cost of materials alone range from 3 240 to 10 800 depending on the size of your roof. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. Usages vary slightly from region to region or from one builder or architect to another.

If you have a 2 story house you divide total square footage by 2 before multiplying by 125.