DescriptionEMF Wallpaper InstructionsSupplied in rolls of 10.05m by 53cmsput up like ordinary wallpaper with standard paste. Cuts like lining paper. Good flexibility over imperfect plastercan be covered with ordinary wallpaper, is also paintablecompatible with aluminium foil-based materialseasy to install, whether in new fit or redecorationnon-woven fabricuniquely, is very highly absorbent – nearly all other materials reflect – this dampens down EMFs in a roomgood shielding properties for electromagnetic fieldsstrong and durableEuroroll Absorbing Wallpaper Shielding Characteristics(Tested to US military standard MIL285)FrequencyShielding (dB)Shielding P Hz>43>99.99100 Hz>61>99.9999150 kHz123>99.9999991 MHz82>99.99999910 MHz47>99.99100 MHz32>99.9500 MHz20991 GHz14952 GHz24>99.93 GHz24>99.910 GHz26>99.9This is by at least 60% by absorption, whereas almost all other materials shield by reflecting.For example Y-shield paint is 95% reflecting.Note the dip at 1GHz which means in North America this wallpaper needs another layer underneath of Y-shield paint or reflecting material such as gauze, aluminised sheet, reflecting wallpaper. This cuts down internal reflection and renders the room far more friendly to sensitive humans.For the lower frequency shielding to work this Euroroll wallpaper must be earthed.
