Roof Size Of A 3000 Square Feet House

According to the energy information administration eia the average house in the united states that is 3 000 sqft or larger in size uses 14 214 kwh annually or 1 185 kwh per month.

Roof size of a 3000 square feet house.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. A square simply refers to a 10 x 10 square of roofing. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.

So a single story 3 000 square feet house can have a fairly large roof depending on the roof slope and whether there is a garage that also needs a new roof. A roof that s less than 1 000 square feet will cost around 4700 while a roof that s 1 000 to 1 000 square feet will cost around 9 200. Roof size calculations the hard way. If that house has a south facing roof without any shading during the day it would need anywhere between 19 and 30 premium solar panels to generate that much.

Take your ground floor square footage and multiply by 125. Change the 2000sf dimensions to 45x44 4 feet with ridge along the 45 dimension you get 51x50 4. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size. Average roof replacement cost by roof size.

Finding the size of the roof in squares. How many solar panels do i need to power my house. Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. It s not clear from your description whether it s a single story or a two story home but assuming it s a single story house it s safe to assume that we have a roof measuring between 35 and 40 squares.

Roofing material is estimated by the square which is equal to 100 square feet. Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. If you have a 2 story house you divide total square footage by 2 before multiplying by 125.

For instance a 20x100 house with 3 foot overhangs would have 26x106 foot plan on the roof or 2756 sf for a flat roof. Outside of the u s a degree angle is typically used. This is simply 100 square feet of roof. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

The typical factor is 25 more roof than house square footage. The average roof is 3 000 square feet or around 30 squares.