Workshop Module 3: Houses, Water, and Waste Management 93Good ventilation
and air flow
through the house
(hot air rises and
leaves through
high up ventilation
and cool air enters
from the bottom)Keeps house much
cooler for no costIn Bali they have doors
with ventilation called
“krepiak” doorsPlants: flower, palm,
decorative trees / Materials:
bamboo, wood, coarse grassInsulation and
sound-proofingModerates the
temperature and
reduces noise
pollutionIn Sanur, Bali some
houses plant trees as
barriersPlants: banana, papaya, palm
/ Materials: bambooMosquito proofing
bedrooms, or the
whole houseReduces mosquito
born diseasesPut up mosquito nets
and screeningMaterials: mosquito nets and
screeningWindows and
skylightsIncreases light in
the house, reduces
sight problemsBali house compounds
follow temple in east
and north cornerPlants: casuarina tree,
yellow coconut, bottle palm
/ Materials: woven bamboo,
coconut leaf, grass thatchIn hot areas, use
light, low mass
materials, such as
bambooReduces heat
storage in walls and
floorIn coastal areas houses
are made on platforms,
with bamboo and thatchMaterials: bamboo, used
wood, thatchIn cold areas, use
dense, high mass
materials, such as
rocks or clayIncreases heat
storage in walls and
floorIn mountain areas
stones, rocks, and mud
from riversMaterials: clay, rocks, mudIn cold areas add
a natural render
for clay and brick
housesModerates house
temperature and
makes it last longerIn Penglipuran village
Bangli, Bali houses are
made from earthMaterials: earth, clay, bricksAppropriate
windbreaks
around houses,
compounds, or
villagesReduces the risk of
wind damagePlanting legumes and
fruit trees around the
housePlants: mango, banana,
papaya, rambutan, coconutPonds near the
houseProvides food,
moderates
temperature,
solution for stagnant
water (reduce
mosquitoes), adds
beautyAquaculture system at
the IDEP Foundation
Demo Site in Ubud BaliPlants: water lily, canna
flower, vetiver, banana /
Materials: clay, rocks, cow
manure, bamboo poles and
leavesTable 1. Facilitator presentation Table 2. Group brainstormStep 3
After each workgroup has created their lists, they can present the results to the entire
group for feedback and other suggestions. As the participants present their ideas, the
facilitator may choose to strengthen the learning process by sketching the ideas that the
group comes up with on a board or large piece of paper, while combining and building
upon the techniques suggested.