Asbestos Database A-Z

By the fire regulation substation entrance and internal doors must be fire rated. Asbestos was widely used in the internal construction or backing of fire doors due to its excellent fire resistance properties. That includes switchroom fire doors (wooden clad) in the form of core insulation, transformer room entrance doors (steel clad) in the form of mastic insulation, interior entrance and connecting fire doors (wooden clad) in the form of core insulation. They are usually painted gray or some other suitable colour to blend with the surroundings.

Fire doors can comprise friable asbestos core material within the door which can be released into the air when fixing door handles,locks and hinges. When observed from the top of most fire doors the core invisible,being a white millboard material. Other firedoors can have firbe cement sheet lining the inside of the fire door.

As most of older type of fire doors dont have any labels or distinct markings it is very hard to positively identify asbestos content. The only way to do it is by sampling, but this is a destructive process and hygienists prefer to classify them as: suspected positive or suspected negative, based on their age and appearance. Newer types of fire doors are labelled, which make it easier to identify them as asbestos-free.

Friable asbestos had been positively identified as thecore-insulation material in some substation fire doors such as switch roomfire doors (wooden clad) in the form of core insulation, transformer roomentrance doors (steel clad) in the form of mastic insulation, interior entranceand connecting fire doors (wooden clad) in the form of core insulation.

• Bathroom
• Dining room
• Dog kennels
• Fireplace
• Windows / Doors
• Other

• Doors

• Doors

Other Public Buildings & Apartment Complex