In this article
What is a gambrel roof?
This throw in of roof is identifiable for its symmetrical yet sloped look.
It has two symmetrical sides with steep slopes hanging in opposite directions.
Its bottom sides are steeper in slope than its two top sides.
It comes in three sub-types: gable gambrel, dormer gambrel and the new style valley gambrel.
It is also often confused with the mansard roof but this one is sloped in two directions.
Here is what a gambrel roof looks like.
What is the purpose of a gambrel roof?
At the most basic end, gambrel roofing is geared towards a more aesthetic punch.
But beyond that, the steeper sides increase the storage space beneath it.
It also offers more living space on the upper levels of the building by maximizing the headroom.
This is the reason why this roof style is used inbarns,sheds, and garages.
Gambrel roof disadvantages
It is also not a perfect roofing system like all else.
Here are the disadvantages of gambrel roofs that you should be aware of.
Related:Types Of Roof Vents
Where are gambrel roofs more common?
For one, gambrel is the preferred roofing pop in for barn and farmhouses.
They can also be installed in log cabins as well as in Dutch colonial homes and Georgian style homes.
Are there types of gambrel roof?
There are three types of gambrel roof, and they are the following.
Newport style home with classic gambrel roofing
Source
This one makes use of a classic gambrel roofing.
It stands on 3,481sq.ft., housing 7 bedrooms and 5 baths.
It also gives space to 2 garages and features two attic rooms and one attic storage.
It features 4 beds, 2.5 baths and a 3-car garage.
The roofs primary pitch is 8 on 12 and its roof frame is made of trusses.
It features two modern doors.
One rollup door for the car walkway and one side door to reach the tool kit and other equipment.
Gambrel roof vs mansard roof
These two types of roofing both have European origins.
Compared to gambrel, mansard is harder to install and harder to maintain.
They have similarities too.
Both can be shingled for more weatherproofing.
They also add more headspace on the top storey of the structure.
As for downsides, they share vulnerabilities to snow accumulation and wind damages.
These are especially made to deter wind, rain, and snow from damaging the roofing.
Unlike the downside of gambrel roofs, gables offer more ventilation in the extra headspace it provides.
It is also considered as a more flexible roofing compared to gable roofs.
Related:Skillion Roof: Advantages and Disadvantages
How much does a gambrel roof cost?
According toThe Nest, gambrel roofs are 10-20% more expensive than gable.
How long does a gambrel roof last?
Depending on how it is maintained, gambrel roofs are said to last for more than 40 years.
While inspection should be done regularly, it is more low maintenance than roofing types.
Regular maintenance includes proofing it from snow, rain, and wind.
In building the gambrel frame or rafters, here is avisualwhich you’re able to check.
Gambrel roof calculator
If you are looking for a roof calculator, you might tryBlock Layer.
At best, the recommended width of a gambrel roof should be in between 16-24 ft.
This is how wide a gambrel roof can be.
What are the angles for a gambrel roof?
How do you measure a gambrel roof?
Using a gambrel calculator, you must enter the exact measurements of the following and in order.
How do you support a gambrel roof?
Almost all gambrel roofs need a knee wall for support.
This supporting structure braces the joint between slopes of the upper and lower roof.
The knee wall is built and installed first before the roofs frame or rafters.
Why do barns have gambrel roofs?
Gambrel roofs are preferred roofing styles for barns because of the extra headspace that it offers.
This is functional in creating another storage for farm supplies, produce and more.
It can also be used to keep smaller farming equipment or those that are used seasonally.
It is also strategic to avoid moisture buildup that can cause damage to the stored farm products inside.
Why are the gambrel barn roofs in Kentucky painted black?
The answer to this is more practical than aesthetic in nature.
Traditionally, the paint is made of creosote, which is again, functional in repelling termites.