Chapter 5: Energy efficiency and FengShui
Today I want to talk about a topic that is increasingly important, the thermal insulation and energy efficiency of your home.
Global warming is a reality regardless of whether those with large economic interests who deny it continue to hold the opposite.
It is not so much that I participated in a conference on the subject where a meteorologist explained all the data in our possession and the consequences that this phenomenon will have on the environment and also on our lives.
But what can we do in our small?
Of course, the first thing we can do is improve the energy efficiency of our home!
Even today it is compulsory to isolate the new houses, or in the facades of the facades, with the famous “thermal coat”.
But let’s see how to deal with the issue while remaining in line with the principles of Feng Shui.
You do not even need to be an expert to figure out what the feng shui can give us on the subject: natural materials are preferable.
Wood, Straw, Hemp, there are many solutions that we can adopt.
For heaven’s sake, nothing happens if we have isolated our attic with polystyrene panels or other. It is not that now we have to redo everything! Already the only fact of having better insulated home certainly improves our feng shui and at the same time the heating bill!
But if you have not yet faced the challenge of isolation I recommend some materials that you might consider.
Wood: the beads are still a good solution for covering a ceiling, a floor or walls, but the insulation they can give us, in proportion to the thickness, is not the most performing.
Straw: straw is a very interesting solution, there are specialized firms that make entire houses completely built in straw. First they create a sturdy wooden frame and then erect the walls with straw bales tied tightly together. Finally they apply natural plasters and the result is remarkable. If you have to build a new home I invite you to evaluate this option, the costs for a house full of straw (finishes, installations, etc.) is around € 1,000 per square meter.
If instead you have to isolate your attic actually there are those who have arranged a thick layer of straw, but personally I do not recommend it unless you then have the sturdy panels or a small layer of cement: the straw fact would make it difficult to access the floor for the various maintenance that may be necessary (every corner of the house must always be inspectable and accessible) and at the same time risks becoming a nice place for a colony of rats or other animals.
For the walls obviously it is not indicated because the thickness would be excessive and therefore it is a not very functional solution.
Hemp: hemp is in my opinion the best solution, however it is not the cheapest. Being a very versatile material there are companies that already sell finished products depending on the use but if you want to try you can make some attempts. For example, for the slabs are sold ready-made mixtures of canapulo (hemp fiber) mixed with hydraulic lime. These ready-made doughs are poured onto the slab, laid out evenly until the desired thickness is obtained and left to dry. They are very robust and are unlikely to become mice or other nest due to their very solid consistency. Alternatively, you can make the mixture yourself by mixing canapouli and hydraulic lime in a 1: 1 ratio on the weight. (25kg of canapulo + 25 kg of hydraulic lime), and make a thickness of at least 12cm to have a good coefficient of thermal insulation (about 0.35 U of transmittance with a phase displacement of 5 h) keep in mind that if to isolate a surface of 16 sqm use the ready-made product you would spend about 500 € while blending you less than half.
For the walls they sell fantastic blocks of pressed canapulo that are assembled like bricks, then they must be shaved or plastered. These instead are a bit ‘expensive (to make a 4×4 room you would spend on € 1000)
data extracted from the board of the premixed product for floors of the Equilibrium company, applicable to a mortar realized with a canapulo and hydraulic lime in a 1: 1 ratio
Pressed wood fiber: This is what I think is the most ideal solution for the interior walls of your home. These are pressed wood fiber panels (and amalgamated thanks to white cement powder) ranging from a thickness of 2 cm up to 4 cm. The cost of the 2 cm panel is about 70% of that from 4 so the latter is certainly cheaper. Indicatively to cover a 4×4 room you would be spending on 400/500 € but the price varies depending on the retailer where you find the panels. To apply them my advice is to use normal plugs with screw and washer or plastic plugs that are used for polystyrene coats. Alternatively, you can make a wooden frame with strips against the wall to be insulated and then screw the panels into place. This solution can be good if you want to add more insulation (such as glass wool or rock wool) in the space that is created, but with a 4 cm panel, in my opinion there is absolutely no need. This product is very versatile, it can be easily cut with an alternative saw. Finally you can shave it with any shaving product according to the finish you want.
Insulated plasterboard: there are finally the traditional plasterboard panels with already a layer of insulation, are ready to use and once mounted just stucco the joints and varnish. The work is certainly minor but the product is a bit ‘more expensive (the usual 4×4 room can only cost us more than 1000 €), keep in mind that the insulation on these panels can be rock wool or glass (which if we want to stay on the natural is an acceptable solution) but also polystyrene depending on the product we go to buy so we check well before proceeding.
Finally, an advice I give you is to always make a quote on the square footage you need and get the data sheets with the insulation coefficients indicated. In this way you will have a clear idea of the result you will have in proportion to the cost and you can make your evaluations.
For today it’s all, see you next time!
To know more: “I principi del Feng Shui” suggested book.
Riccardo Rosignoli – Feng Shui Consultant
For those wishing to deepen this interesting speech, you can receive more information by contacting me at the following email address:
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