PARIS, Dec 8 — A recent study shows that green walls can reduce heat loss from buildings by about 30 per cent. In other words, they could be effective thermal insulators that could help reduce heating requirements.
This field study, conducted by researchers at the UK’s University of Plymouth, focused on a pre-1970s building and compared the heat-trapping capabilities of a conventional concrete and brick wall with those of a green wall. The living wall was developed from a system of flexible felt sheets with pockets into which soil and plants were added.
After five weeks of observation, the researchers found that the amount of heat lost through the green wall was 31.4 per cent less than the original structure. The study also showed that daytime temperatures remained more stable within the green wall section. In other words, buildings with green walls should require less energy expenditure on heating, since they retain heat more effectively.
“Within England, approximately 57 per cent of all buildings were built before 1964. While regulations have changed more recently to improve the thermal performance of new constructions, it is our existing buildings that require the most energy to heat and are a significant contributor to carbon emissions.
There is also the consideration of fire safety.
Not in the tropic, all sorts of bugs and even small reptiles esp snakes, spare the thoughts...
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