The gambrel design is basically the same as the mansard except the former has two slopes instead of four.
Roofing a barn style roof.
The bottom of the slope is steep and nearly vertical before the top slope angles into the ridge.
Step 1 taking the measurements.
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.
Find out how wide each piece of metal is then divide the width of the roof by that number.
A gambrel or barn roof is similar in style to a gable roof with one exception.
For a barn style gambrel roof you will need flashing at the top and the 2 middle points where the roof slopes meet.
Corrugated or galvanized metal has been an ongoing barn roofing choice for many centuries.
Different roof styles gable roof.
To calculate this simply multiply the measurements of the length and width of the roof.
Are also used but not as often.
To get the right amount of materials that you need you will have to make accurate measurements first.
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.
Most common roof types used on barns are gable gambrel shed salt box roofs but other styles such as hip roof round roof etc.
They all have different prices life spans designs levels of quality and durability.
There are many types of metal sheet roofing available.
It is fire resistant easy to install inexpensive and offers a prolonged lifespan.