Green building is the concept of finding the balance
between building and ensuring a sustainable environment. Although this wasn’t
seen enough on the site we visited in Mamelodi, alternatives and additions
could be made to improve sustainable construction. The construction project is
a RDP housing project in a low income area where energy saving and a ‘greener
lifestyle’ is not something the inhabitants are well aware of. Energy
conservation is very crucial as our country is currently facing an energy crisis.
To promote energy conservation and improve sustainable building practices in
this area, we recommend the installation of thermal ceiling eco-insulation.
Product
Overview
Ceiling eco-insulation is a product produced here in South
Africa. The product can be made from recycled PET bottles or recycled
newspaper. The production process is quite similar to the way in which isotherm
is produced. According to a telephone interview with Warren, who works for Home
Insulators in Johannesburg, this type of insulation is still very new in our
country’s market and is also a cheaper alternative to isotherm and other more
expensive insulators.
The insulation is manufactured in 5 different thicknesses namely
40mm, 50mm, 75mm, 100mm and 130mm depending on the specifications provided by
the supplier. This eco-friendly product is used in ceilings and dry walling.
Main
Features of the Product
·
100% seamless cover
·
Fire Resistant
·
Insect and rodent repellent
·
Non-allergenic, non-toxic and non-irritant
·
Sound Proof
·
Cool in the summer, warm in the winter
·
Lifetime guarantee
Product
verdict
After careful consideration of the lack of sustainable
construction on our chosen site and the implications thereof, we have reached the
following conclusion;
The eco-insulation would be a great addition to the housing
project we visited because firstly it provides coolness in the summer and
warmth in the winter. This as a result, reduces the overall need for heating
systems that are expensive and potentially life threatening with the risk of
fires. If however, these freak fires occur as they frequently do in a rural
area such as this, the eco-insulation is an excellent fire retardant. Tests
conducted by SANS 428 show that the insulation can withstand heat without
emitting noxious fumes and spreading. This is particularly good as the houses
in this area are closely packed, therefore damage to nearby residences is
eliminated.
Due to unhygienic waste disposal, low income areas such as
this, tend to have insect and rodent problems. The eco-insulation is an
irritant to insects and rodents and will therefore act as effective pest
control in the roofs.
Any allergy sufferers will not be affected by this product.
The eco-insulation can be seen as a lifetime investment as
it can never become ineffective or deteriorate. It also in turn promotes
electrical saving which is great for energy conservation.
On the opposite side of the spectrum, eco-insulation is
expensive as it is relatively new in the market. Costing for low income housing
such as this might create some difficulty. As mentioned above, the product is
still new in the market so consumers are still sceptical about it.
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