Asbestos Concrete Siding

What is asbestos cement siding.

Asbestos concrete siding.

Asbestos cement genericized as fibro or fibrolite short for fibrous or fibre cement sheet and ac sheet is a building material in which asbestos fibres are used to reinforce thin rigid cement sheets. Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. Although some of the earlier versions of fiber cement siding did indeed have some asbestos particles blended in fiber cement was actually designed to replace the asbestos siding products to create a safer environment for the installers and the home s residents. Manufacturers use asbestos in fiber cement siding.

When manufacturers figured out ways to produce siding made using asbestos cement it became very popular for a number of years before being banned in the u s. Asbestos cement is a mixture of portland cement reinforced with asbestos fibers. Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement. According to merriam webster asbestos cement is.

Although invented at the end of the 19th century the material rose to necessity during world war ii to make sturdy inexpensive military housing and continued to be used widely. Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built. Asbestos siding was very commonly used in buildings and homes from around the 1920s until the 1980s and can still be found in many older homes in the u s. Asbestos cement is a composite material consisting of portland cement reinforced with asbestos fibers.

A brief history of asbestos cement siding. It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. The portland cement binds asbestos fibers into a hard mass.

It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground.