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Butterfly roof drainage system.
Roofing and siding experts say that butterfly roofs were originally designed for capturing rainwater in the central basin of the roof in between the two slopes facing each other.
Many people believe that the inward slope encourages water to collect and remain on the roof.
The butterfly roof design has some weaknesses.
Butterfly roofs add a unique flair from an architectural standpoint.
Hiring professional roofing architects can ensure that your roof is built properly to help prevent clogs and other problems from occurring in the future.
One benefit is the ability to direct rainwater away.
There are practical considerations as well.
Any type of butterfly roof can be made to the homeowner s wants and needs.
This allowed homeowners to use water for other purposes like flushing toilets watering plants or even drinking.
Therefore if there are clogs in the drainage system this can cause water to pool on your roof.
That is one reason butterfly roofs are not more widely used.
There are weaknesses to having one of these roofs however such as leaks or blocks in the drainage system that can make the pillars of the home weaker since they are not able to hold a lot of weight.