
Some fires produce high levels of hydrogen chloride gas, which forms a very strong acid when combined with moisture. This can quickly damage industrial or electronic equipment. This damage occurs rapidly, during the first few hours and days after the fire.
It can also corrode and damage the
steel structure of industrial buildings.
We have two strategies for reducing
the damage from corrosion in the hours
and days after a fire.
We can protect the equipment by
applying a fog of an anti-corrosive
agent. This coats the equipment with a
very thin layer of water dispersant that
displaces moisture and so prevents corrosion. In addition we will reduce
the humidity and maintain it at a low
level. This may require us to use the
industrial sized KrugerAir desiccant
dehumidifiers.
You will like the option of being able to have materials blasted as this process will give you a result not achievable by any other means. Fire stained roof timbers are not cleanable as the contamination has penetrated just below the surface. Grit or soda blasting removes a few millimetres and reveals the timber as a newly sawn surface. Stained stone-work can also be restored by blasting.

Corrosion from acidic fire residues
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