Shell Bale on Bambu Indah. Image © Eduardo Souza
Roofings are perhaps the most fundamental architectural element of bamboo buildings (together with foundations). Well-designed and built roofs play a key role in protecting a bamboo structure whilst adding to the beauty and experience of the space. What qualifies as a well-designed bamboo roof?
There are a couple of key elements that need to be considered: 1) the overhangs of the roof to mitigate the weathering of bamboo poles from direct sun and rain, 2) the pitch of the roof for water flow, 3) the spacing of the rafters for rigidity, and finally, 4) the material used. In Bali, we have experimented with many different roofing materials and techniques. In this article, we share 5 of the most commonly used roofing systems for our bamboo buildings: