WHY DO I NEED POLYSTYRENE LOFT EXTRACTION?
Polystyrene was commonly used as loft insulation, normally in places that cables are run. The plasticisers used to make the PVC insulation on the cables reacts with the polystyrene resulting in the polystyrene appearing to ‘melt’. The plasticiser migrates out of the cable making it brittle and causes its insulating properties to break down. The cable will eventually fail; this is both a fire and electrocution hazard.
In addition cables could get hotter due to the thermal insulation properties of the polystyrene preventing the cable from losing heat. If this hasn’t been factored into the design of the circuit it too could be a fire hazard.
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Wiring regulations prohibits contact between PVC cables and polystyrene, but this is a common problem. An electrical engineer (and most electricians) can do a periodic inspection of your wiring system that includes insulation tests that will identify failed or failing cables.
Burning polystyrene releases toxic styrene gas, this is readily absorbed through the skin, respiratory system and gastrointestinal tract and can cause deep unconsciousness and death. Also, the vapour can damage the eyes and mucous membranes.
HOW CAN ENVIRO THERM HELP?
Enviro-Therm Insulation has brought over machinery from America designed to perform polystyrene loft extraction from attic spaces; this is carried out quickly, effectively and with little disruption. Once removed a more suitable insulation material can be installed.
