Gauge the amount of hip and ridge.
How to figure out roofing materials.
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.
Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.
Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate.
Cecil venturella march 3.
To find the squares divide the overall roof area by 100 and then round up.
L 30 feet h 12 feet 30 12 2 180 square feet now that the basic concept has been covered let s take a look at a more complex roofing system.
In this overhead view you see both a hip end section and gable ends.
This is simply 100 square feet of roof.
Estimating other materials 1.
Pitch measurement method 1.
Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
Estimate how many roofing nails you ll need.
With an online roofing calculator you will usually be able to drill down a bit deeper in order to see a fine grained cost breakout on a sq ft basis.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
A square simply refers to a 10 x 10 square of roofing.
Next you will need to use a roofing materials calculator.
At 4 nails per field shingle that s about 320 nails per square.
Measure for drip edge.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
If this distance measures 4 inches you have a 4 in 12 pitch.
Although ceramic tile roofs are expensive they can have a life span of over 100 years.
8 inches and you have an 8 in 12 pitch.
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.