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Asbestos Plaster

Tara Strand
Author: Tara Strand
Jennifer Lucarelli
Last Updated: 3/4/2026

From the 1920s to the 1970s, many plaster products contained asbestos. They were used in homes, schools and other structures. Asbestos exposure can cause mesothelioma and other cancers. Asbestos plaster poses health risks for residents, students and the public.
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Photograph showing what asbestos plaster walls look like. It shows the junction between two walls composed of lath and plaster. Plaster has fallen off of some areas of the wall, exposing the lath layer underneath.

Why Was Asbestos Used in Plaster?

Manufacturers included asbestos in plaster products for decades. They added the mineral to enhance fire resistance, insulation and durability. Builders used asbestos plasters in interior walls, decorative moldings and exterior walls. For the exterior walls, they used stucco, which is a specific type of plaster with a rougher texture.

Asbestos Plaster History at a Glance

  • Other Names: Acoustic plaster, cement plaster, decorative plaster, fire-resistant plaster, gypsum plaster, lime plaster, plaster base layer, plaster cast, plaster of paris, render, stucco
  • Years of Manufacture: 1920s – 1970s
  • Places Used: Ceilings, decorative moldings, interior and exterior walls
  • Asbestos Use Banned: No
  • Noteworthy Brands:The Flintkote Company, Georgia-Pacific Corporation, National Gypsum Company, W.R. Grace

Dangers of Asbestos Plaster

Asbestos plaster poses health risks for people from all walks of life. It was used in many homes, schools and churches. When intact, this material may not cause asbestos exposure. But if disturbed or demolished, the activity can release dangerous asbestos fibers into the air.

For example, one study found asbestos ceiling plaster could cause mesothelioma. The study analyzed the lung tissue of a teacher’s aide with pleural mesothelioma. The aide had worked for many years in a building that contained acoustic ceiling plaster. Researchers found the same type of asbestos fibers in the aide’s lung tissue and the ceiling plaster. They concluded the ceiling plaster was the likely cause of the aide’s mesothelioma.

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List of Asbestos Plaster Products

In the past, asbestos was included in many types of building materials. Manufacturers added the mineral to plaster to boost fire resistance and durability. Since many walls and ceilings were covered in plaster, these properties were seen as beneficial.

Asbestos Plaster Products
Product Name Start Year End Year
Georgia-Pacific Acoustical Plaster 1950 1974
Georgia-Pacific Lite Acoustical Plaster 1958 1964
Georgia-Pacific Patching Plaster 1956 1976
Keene Uni-Coustic 1963 1971
National Gypsum Gold Bond Acoustical Plaster 1949 1968
National Gypsum Gold Bond Fire-Shield Plaster 1958 1970
National Gypsum Gold Bond High Humidity Acoustical Plaster 1952 1956
National Gypsum Gold Bond Macoustic Smooth Finish 1935 1943
National Gypsum Gold Bond Patching Plaster 1933 1950
National Gypsum Gold Bond Perfo-Lyte Acoustical Plaster 1955 1972
National Gypsum Gold Bond Spray-On Acoustical Plaster 1955 1956
National Gypsum Gold Bond Sprayolite Acoustical Plaster 1956 1968
National Gypsum Thermacoustic 1949 1961
Synkoloid Plastibond 1950 1976
Synkoloid Synko Patch Rite Patching Plaster
Synkoloid Synko Plaster of Paris
United States Gypsum Audicote Acoustical Plaster 1955 1973
United States Gypsum Cement Plaster Regular 1943 1947
United States Gypsum Firecode Plaster 1959 1964
United States Gypsum Hi-Lite Acoustical Plaster 1950 1975
United States Gypsum Imperial Gypsum Plaster 1940 1970
United States Gypsum Red Top Cement Plaster 1920 1958
United States Gypsum Red Top Gypsum Plaster 1920 1958
United States Gypsum Structo-Lite Perlited Gypsum Plaster 1975
W.R. Grace Zonolite Acoustical Plaster 1945 1972
W.R. Grace Zonolite Zono-Coustic 1959 1973

Asbestos plasters are no longer manufactured or sold in the United States. But in the past, several asbestos companies produced plasters that contained the dangerous mineral. These products are not banned. Manufacturers may have stopped making asbestos plasters to avoid future litigation.

Companies That Produced Asbestos Plaster
Message bubble with 'i' icon for information about mesothelioma Did You Know? Corporate documents show that asbestos companies knew the products they made were dangerous. Speak with a lawyer today about filing a mesothelioma claim against these irresponsible companies. Connect With a Top Mesothelioma Lawyer

Who Is at Risk of Asbestos Exposure From Plaster?

Many different types of people encountered asbestos plasters, facing exposure risks. Construction workers who mixed, applied or repaired plaster may have touched or inhaled asbestos. Teachers, students and school staff could have been exposed by plaster ceilings or walls.

Some church buildings used asbestos plasters for noise reduction in common areas. Churchgoers and staff who spent time in these areas could have been exposed to asbestos. Workers who manufactured plaster also faced occupational asbestos exposure.

Occupations at Risk of Exposure From Asbestos Plaster

Homeowners who repair or remove asbestos plaster could release asbestos into the air. The fibers pose serious health risks for do-it-yourselfers and others in the home. Anyone who finds potential asbestos-containing materials should not handle them. Instead, they should hire asbestos testing and removal professionals. These specialists can safely remove any asbestos materials.

People exposed to asbestos plaster may develop illnesses or asbestos cancers as a result, and treatment can be costly. But asbestos victims have options for pursuing compensation, including mesothelioma lawsuits. Anyone injured by asbestos plaster should speak with a mesothelioma lawyer. The lawyer can explain the options and which may be best for an individual’s case.

Sources
  1. Inspectapedia. Asbestos Content in Plaster.

  2. Inspectapedia. Plaster Ingredients & Properties.

  3. Inspectapedia. Plaster Types & Methods in Buildings.

  4. Roggli VL, Longo WE. Mineral fiber content of lung tissue in patients with environmental exposures: household contacts vs. building occupants. Ann N Y Acad Sci. 1991 Dec 31;643:511–8.

  5. RPF Environmental Testing & Consulting Services. How to Identify Asbestos Plaster Walls: What Does Asbestos Look Like in Walls?

  6. The Spruce. Lath and Plaster Walls: Basics and Construction.

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Tara Strand, Senior Content Writer at Mesothelioma.com
Written by Tara Strand Senior Content Writer
Jennifer Lucarelli
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