Asbestos Board Siding

In the 1980s james hardie.

Asbestos board siding.

The portland cement binds asbestos fibers into a hard mass. Wet down the asbestos siding or roofing with a mixture of water and liquid soap in a pump up sprayer to limit dust. Read s 1958 patent for asbestos cement siding that is prepared with a colored and embossed or patterned surface resembling wood shingles or wood board siding. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.

Click to enlarge any image read clinton i and francis h. And see asbestos cement siding for details about cement asbestos building siding its repair removal demolition or cover over. Most older cement board products contain asbestos. Average hardiplank installation cost and price per sq.

What is hardie board made of. It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken. Start by hooking the siding on the bottom of the starter strip with the nail holes facing upward.

Asbestos cement board siding and shingle. Keep the asbestos material that has been removed wet. See photos at asbestos siding in this document. Unless asbestos siding is disturbed it doesn t pose a significant health hazard and does not need to be removed.

Cement asbestos wall shingles outside and not easily friable unless being demolished or cut with power tools. Pros cons history faq the first version of fiber cement siding was patented in 1901 but contained asbestos fibers. Asbestos was also put into cement used on the exterior of buildings to help insulate the. 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.

Factors that affect the cost is it worth the high cost. Now that you have your backer board up and set firmly in place you can put the siding up safely without worrying about the asbestos falling down behind the siding. Patent 2 818 824 issued january 7 1958. Use a flat pry bar to remove the asbestos siding or roofing material starting from the top.

Asbestos was used to make several exterior materials. 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 is a mixture of portland cement reinforced with asbestos fibers. A brief history of asbestos cement siding.

Both the epa and the vinyl siding institute recommend not disturbing asbestos if at all possible.