So may cutting, tearing, sanding, drilling, or sawing insulation. Loose, crumbly, or water-damaged material may release fibers. So will sanding, drilling, or scrapping the material. Sanding, scraping, or drilling these surfaces may release asbestos. Do not saw, drill, or cut these materials.
Sanding tiles can release fibers.
So may scraping or sanding the backing of sheet flooring during removal. We highly recommend that minor repair and taking samples to test for asbestos also be done by asbestos professionals. DON'T remove materials that may contain asbestos without proper personal protective equipment and environmental controls. If materials that may contain asbestos are damaged by flooding, leave them in place until they can be removed by trained asbestos professionals. DON'T saw, sand, scrape, or drill holes in asbestos materials.