The most precise way to find the roof s slope is by measuring it from the underside.
How to do a roof estimate.
But keep in mind that materials typically only account for 40 of the total cost of square roofing.
First measure the roof s pitch.
The other 60 is labor.
Just plug in your house dimensions select your roof pitch relative roof difficulty choice of materials and let our calculator do the rest.
You need to account for the pitch in order to have an accurate materials estimate.
Your roofer will inspect the roof before.
While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12.
Start at the edge of the roof and measure out 12 feet.
Getting at least three different estimates will help ensure that you find the.
Obtain at least three roofing estimates.
To find the squares divide the overall roof area by 100 and then round up.
At 4 nails per field shingle that s about 320 nails per square.
Gauge the amount of hip and ridge.
To accurately calculate the area of your roof you must first determine its slope or pitch.
Locate the level s 12 inch mark.
A square simply refers to a 10 x 10 square of roofing.
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.
Measure for drip edge.
This metal strip which goes beneath the underlayment protects the edge of the roof from rot.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
Know what your roofing contractor is looking for.
Access one of the rafters then take the measurement this way.
Use a level against the underside of the rafter you re measuring to get the most accurate value.
Now measure upwards at a 90 degree angle to capture how much the roof rose over that length.
Estimating other materials 1.
Estimate the cost to install a new roof in a click of a button.
Take these steps to find the right crew and perfect price for your roof installation.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
This is simply 100 square feet of roof.
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.
