Flat Roof Estimate Calculator

A completely flat roof is a poor design as water and snow will collect on it eventually leading to your roof collapsing in from the weight of it all.

Flat roof estimate calculator.

The average cost to replace a flat roof is 5 10 per square foot installing a simple 1 600 sq ft. When installing new roofing there are many factors to consider when estimating price. The run always remains constant at 12 inches. A flat roof has a slope of 2 in 12 or less.

A low slope roof is anywhere from 2 in 12 to 4 in 12. The house base area is the area of land that the house covers and for more complex shapes can be estimated using the area calculator. Here are the equations you may use to solve for the length of the slope and the rafter. Use the following formula which also describes a right triangle.

Don t just look at roofing material although a big chunk of the cost is the type of material you also need to consider how many stories the complexity of the roof slope or pitch how many chimneys skylights dormers ridges roofing company geographic location taxes. In recent years flat roofs have grown in popularity because of their distinctly modern look as well as ease of installation and repair. Conventional slope roof range between 4 in 12 and 8 in 12. Anything more than 9 in 12 is considered steep.

The best part of a roofing calculator is that it offers a free insight into the total cost of the replacement roof project on a sq ft basis. There are two main categories of roofing. Flat roof calculator quickly estimates the total cost to install the following roofing. Roof shingles calculator estimates roof area materials and installation costs of asphalt shingles for gable and hip roofs.

Rafter rise run this formula is from the pythagorean theorem. Flat roof calculator estimates replacement costs of low slope flat roofs single ply membranes epdm rubber pvc tpo and built up roofs tar gravel modified bitumen as well as insulation parapets. You can also calculate roof pitch even without using a roof slope calculator. Flat roof costs 8 000 16 000 depending on the material you choose.

The smallest pitch of a roof is 0 5 12. The following tools estimate the area of a roof as well as the amount of materials necessary to construct a roof of a given area. How to calculate roofing costs. 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.