Definitions

Below some definitions for some commonly used terms associated with asbestos and it’s use.
Amosite – commonly known as brown asbestos, it is more dangerous than white asbestos, but not as bad as blue.
Bituminize – to treat with bitumen.
Calorifier – a form of water heater or boiler.
Caulking – is a term used to describe different process [...]

Soffit

AIB soffit.
Soffit is a word of French origin to describe the underside of  parts of a building, including ceilings, archways and eaves. Asbestos cement sheet can be seen here, most likely used to repair the original structure.