Forget Air Conditioners, Save Money With These Green Homes
The summers are only getting hotter with every passing and researchers competing with each other to study the exact rise in temperature over the years due to global warming, the realisation to go more eco-friendly and opt for green homes has already been felt. The earlier we rise to this, the better.
While we may be used to switching on the air conditioners, a new technique of using thermally-insulated blocks can help you minimise the risk from Chlorofluorocarbons (CFC's). These blocks are used for the exterior walls of the building and insulate the room from high temperature. It could also help you bring down the cost and time of construction.
Are green homes costlier?
As per Sumit Vig, Area Sales Manager at Chelsea Concrete, a home buyer has much to gain and save if he uses this technique. On comparing a 400x100x200mm-block wall with 10-inch brick wall, the company claims, you can use just 113 blocks instead of 950 bricks. It reduces your cost by 34 per cent while giving you an increased area of approximately 15 sq ft.
It is widely believed that such green home techniques are costlier and beyond the means of a common man. However, Vipin Nagpal, Regional Head, Chelsea Concrete says that you can save up to 35 per cent of annual energy costs if you use these blocks. “The 20 per cent extra that you initially spend on it comes with a benefit of great returns. Moreover, the time taken to construct the house is also lower than that of a traditional house which is again a saving.”
The company estimates that while a one-sq-mt wall (200mm thick solid wall) will cost you about Rs 486, a similar brick wall will cost you Rs 658.
The compressive strength of these blocks can be adjusted according to your desired application as well depending on whether it is a load bearing wall or a non-load bearing wall, retaining walls or decorative walls.
Some interesting facts about concrete blocks
- These blocks have the capacity to resist fire up to two hours for an eight-inch hollow wall and up to four hours for an eight-load bearing wall as against nearly two hours in a brick wall.
- It can reduce sound absorption by 45-55 decibel as against 25-30 decibel in a brick wall. If that's not enough, experts have studied that while the bricks tend to wear over the years, the blocks tend to gain strength with age.
- These blocks are eco-friendly. There is no smoke or carbon dioxide emission and is energy efficient as well. Almost 30 per cent of the raw material comprises of fly-ash. While the traditional brick may use up to 3.2 kg of soil, there is no top soil consumption in the case of concrete blocks. Moreover, it can also control seismic stress unlike bricks.
- Even at the dead end, these blocks are totally recyclable while bricks usually go down as landfill causing pollution. Additionally, it is mold-resistant, too.
- It can be shaped as per your liking unlike bricks, which cannot be easily moulded and enhancements such as waterproofing are not possible either.