House Roof Sizes

Measure your house at ground level then add in the roof s overhang for greater accuracy.

House roof sizes.

The typical factor is 25 more roof than house square footage. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.

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. The cost of materials alone range from 3 240 to 10 800 depending on the size of your roof. 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. There are various lengths widths and.

The slope of your roof will factor into how many additional square feet are on your roof. The uk national average cost to replace a roof is 5 300 with most homeowners spending between 2 300 and 7 300. Things you will need steel tape measure. You will need to express this size in terms of square feet.

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

Usages vary slightly from region to region or from one builder or architect to another. Roof size calculations the hard way. The first step in a free roofing estimate is measuring the roof dimensions. Corrugated roof sheet sizes.

The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering. 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 terminology is also not rigidly defined. 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.

Roof pitch is a measurement of a roof s slope expressed as a ratio.