To get the right amount of materials that you need you will have to make accurate measurements first.
Roofing a barn style roof.
Are also used but not as often.
Different roof styles gable roof.
There are many types of metal sheet roofing available.
Find out how wide each piece of metal is then divide the width of the roof by that number.
Corrugated or galvanized metal has been an ongoing barn roofing choice for many centuries.
It is fire resistant easy to install inexpensive and offers a prolonged lifespan.
For a barn style gambrel roof you will need flashing at the top and the 2 middle points where the roof slopes meet.
You will need this many pieces for a single sloped roof or each of the 2 slopes of a gable roof or 4 slopes of a barn style gambrel roof.
A gambrel or barn roof is similar in style to a gable roof with one exception.
They all have different prices life spans designs levels of quality and durability.
Other choices include wood shingles steel or asphalt shingles.
The bottom of the slope is steep and nearly vertical before the top slope angles into the ridge.
You ll be most familiar with this dual sloped style as used in a barn and the design is often referred to as a barn roof.
About half way down the roof the pitch changes from the initial gentle slope to a steeper slope designed to shed rain and snow and provide more space inside the structure of the roof.
The gambrel design is basically the same as the mansard except the former has two slopes instead of four.
To calculate this simply multiply the measurements of the length and width of the roof.