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Shielding materials 1

Now that we know what we have to shield and where, we may consider what materials we are going to use.

One effective and cheap way is the so-called *life-saving emergency couverlet*.

It is a small package,like in the picture.
De 1 Euro coin aside is to show the dimension.
It is for sale in a lot of camping shops.
2.20 m x 1.40 m costs ca. 4 Euro.

One side is silver- and the other is
gold colored.
It is a polyester film, on which metal has been
brought on.

This film can be applied to your curtains in the
bedroom with the help of doublesided tape.
Sewing is not good, because the film wil rupture.

If the amount of radiation is small and t your
electrosensibility also small, than you can try
this voliere wire netting.
This netting has an opening of 1/2 " (12,7 mm).
See picture at Shielding examples.

One can also buy canopies. Thes are placed around the bed.
One can construct them yourself or buy them already made.
In general the shielding is not so high, unless one buys the more expensive ones.
Many sensitive people experienced negative feelings inside such canopies. It is not quite clear what the reason is,; it could be, that the body heat cannot get out sufficiently, that not enough fresh air is coming in, that because of the silver in the used material causes something with the air-ions, or that the cosmic radiation is shielded off, is still unknown.
My preference goes for shielding against the walls and windows.

In any case, I recommend in a place, that is heavily shielded, in placing a
simple Earth Frequency Generator. That consists of a small box, that with a 9V
battery radiates the Schumann frequenty of 7.83 Hz.
That is the earth frequency; astronauts take them also with them when they
go into space.

At Links a number of suppliers are mentioned.

At last we come back at the aforementioned points.
Did you measure correctly?
Did you pay attention to certain reflections?

Because if you did not, you will get double radiation.
Because you then look into the reflection, and than the situation is worse than before..

There can be also some nasty *hotspots*.

Those are small concentrations of radiation beams, mostly the size of a small football.
They can be found only with a magnetic *Schleifenantenna*.

When they are situated on your favourite armchair or on your bed that can have very unpleasant consequences.

Therefore it is important to know how much radiation is there; much radiation requires much dB. What frequencies are present? With GSM 900 (that is close to 1 GHZ in the graphic) shields this material with 21 dB. With GSM 1800 is that 14 dB. The more shielding is required, the more expensive the materials will be.
There are also materials that shield 50 dB; there are also, who bring at higher frequencies higher values. There are now materials that shield 120 dB.

There is waalpaper, tecxtures, fabrics, foils, transparent films, curtains and even paint, by with the layer thickness one may stipulate the desired shielding in dB.

Prices vary from 5, 6, 13, 28, 35, 40, 50 Euro per m2 for the different sorts of materials. As basis several materials are used like carbon, silver, copper, and they are used together with other materials.
The differnce lies in the used material and the appearance.
Not everybody wants a glass texture against the wall, or window, like the middle picture below. For everything is a price tag.

There is a large gamma of shielding materials, with all different
properties.
Many manufacturors recall loudly shielding:
99%, 99,9%, 99,99%, 99,999% etc. But that is not clear.
The shielding factor in dB seems more understandable.
15dB = 97% - 20dB = 99% - 30dB = 99,9% - 40dB = 99,99%
50dB = 99,999% - 60dB = 99,9999%

Much more obvious is a graphic like the one at the right.
On the vertical axis is the shielding in dB and horizontally
are the accompanying frequencies.
We can see that the curve is downslope. It starts at 0,2 GHz, or
200 MHz and has there 30 dB. But at 3 GHz it has only 10 dB.

Of course there is aluminium foil. But it is not advisable to shield a complete room with it.
The walls cannot breathe and moisture cannot pass through the walls. It is difficult to attach the aluminium against the wall because the wallpaper glue needs a porous layer, and aluminium is not porous. And of course the cosmic radiation shouild not be shielded also.
That could be compensated with a Schumann frequency generator (see picture at the bottom of the page), but the aluminium does also something with the air-ions, with the reult, that after a while people feel very uncomfortable.
The same goes for canopies.

Shielding textiles are available where silver wire is used.
The upper images show a few examples, but there is a lot more available.

Read on Shielding examples

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