Asbestos Under Roof Tiles

In addition to the tiles themselves a layer of mastic a type of adhesive below the tiles is also likely to contain asbestos.

Asbestos under roof tiles.

Are the tiles dangerous. Each asbestos variant has a different risk level associated with it with chrysotile being the safest and crocidolite being the most dangerous. If floor tiles were installed between 1920 and 1960 there s a good chance they contain asbestos because most flooring tiles manufactured during this period did. Each type has a different associated risk level with white being the least dangerous and blue being the most.

It may be difficult to find asbestos replacement tiles that match the original roof in color although we link to a page listing sources of asbestos tiles. Although most asbestos products are not really hazardous per se they can be when the fibers become airborne. These usually contain white asbestos chrysotile of which it comprises 10 15 asbestos fibres mixed with cement. Flat roof asbestos typically centres on two main types of asbestos.

Types of asbestos in roofing tiles the building industry in the uk used three types of asbestos during the heyday for asbestos use. Black gold 351 charcoal black 752. Asbestos was typically used in the flat roofs of garages sheds barns factories warehouses and offices. If the tiles were installed between.

Vinyl tiles with asbestos are all 12 12 or 9 9 tiles with asbestos. Using asbestos in roofing had many other advantages. Types of asbestos in roofing products. Chrysolite white amosite brown and crocidolite blue.

Asbestos wouldn t rot rust conduct electricity or react to heat. Asbestos cement tiles were most commonly composed of chrysotile but it has been found that some do in fact contain amosite and crocidolite. Regular flat shingle tiles standard lap are shown below as are common diamond shaped tiles and side lap tiles. Chrysotile white amosite brown and crocidolite blue.

That solved structural issues for heavy roof loads. Asbestos tiles contain asphalt as a main ingredient. Try cleaning the tile with soap and water and if the discoloration or oil doesn t seem to come off it may be because it s a tile that contains asphalt and asbestos. Examples of black armstrong asphalt asbestos floor tiles the asphalt asbestos floor tiles above left are probably a combination of osage green 780 and either choctaw green 784 nearly black or more likely commanche black 772.

The uk s building industry predominately used three different types of asbestos. Asbestos particles made asphalt based roofing durable and long lasting. Asbestos was easy to work with widely sourced and low cost to purchase.