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.
Butterfly roof drainage system.
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There are practical considerations as well.
For instance if there is any kind of leak or block in the drainage system it does tend to result in weaker pillars that cannot hold as much weight.
That is one reason butterfly roofs are not more widely used.
This allowed homeowners to use water for other purposes like flushing toilets watering plants or even drinking.
Leaks and other damages can arise if you don t get it fixed right away.
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.
The butterfly roof eliminates the need for traditional gutter and downspout systems rainwater drains into the central trough where it can be harvested.
Hiring professional roofing architects can ensure that your roof is built properly to help prevent clogs and other problems from occurring in the future.
Butterfly roofs add a unique flair from an architectural standpoint.
Therefore if there are clogs in the drainage system this can cause water to pool on your roof.
One benefit is the ability to direct rainwater away.