Johns-Manville Flexboard Asbestos Siding — Asbestos Exposure Risk
Last verified: March 14, 2026Product Overview
Johns-Manville Flexboard was an asbestos cement siding product used on millions of American homes. The shingle-style siding was marketed for its durability, fire resistance, and low maintenance. Many homes built between the 1930s and 1970s still have Flexboard siding in place.
Common Uses
- Residential siding
- Exterior wall cladding
- Decorative shingles
Industries Affected
- Residential construction
- Commercial construction
Manufacturer
Johns-Manville Corporation
Produced this product from approximately 1930s–1980 using chrysotile asbestos.
Asbestos Type
Chrysotile
Chrysotile (white asbestos) is the most commonly used form of asbestos, accounting for approximately 95% of asbestos in buildings worldwide.
Applicable Trust Fund
Manville Personal Injury Settlement Trust — View Trust Fund Details
Were You Exposed to Johns-Manville Flexboard Asbestos Siding?
If you or a family member worked with this product and have been diagnosed with mesothelioma or another asbestos-related disease, you may be entitled to compensation. An experienced attorney can evaluate your case at no cost.
Your Legal Rights
Workers and family members who were exposed to Johns-Manville Flexboard Asbestos Siding and subsequently developed mesothelioma, lung cancer, asbestosis, or other asbestos-related conditions may have several legal options available:
- Asbestos Trust Fund Claims — If the manufacturer established a bankruptcy trust, eligible claimants can file for compensation without going to court.
- Mesothelioma Lawsuits — Personal injury lawsuits can be filed against manufacturers and other responsible parties to seek damages for medical expenses, lost income, and pain and suffering.
- Wrongful Death Claims — Family members of individuals who died from asbestos-related diseases may file wrongful death claims.
- Veterans Benefits — Military veterans exposed to asbestos products during service may qualify for VA disability benefits and healthcare.
Statutes of limitations restrict the time you have to file a claim. It is important to consult with an experienced mesothelioma attorney as soon as possible to preserve your legal rights.
Frequently Asked Questions
Did Johns-Manville Flexboard Asbestos Siding contain asbestos?
Yes. Johns-Manville Flexboard Asbestos Siding, manufactured by Johns-Manville Corporation, contained chrysotile asbestos. The product was produced from approximately 1930s–1980 and was used in residential siding, exterior wall cladding, decorative shingles. Workers who manufactured, installed, maintained, or removed this product may have been exposed to asbestos fibers.
Can I file a claim for Johns-Manville Flexboard Asbestos Siding exposure?
If you or a loved one developed mesothelioma, lung cancer, or another asbestos-related disease after exposure to Johns-Manville Flexboard Asbestos Siding, you may be eligible to file a legal claim. The Manville Personal Injury Settlement Trust may provide compensation for eligible claimants. An experienced mesothelioma attorney can evaluate your exposure history and determine your legal options at no cost. Contact Danziger & De Llano at 1-800-400-1805 for a free case review.
Related Roofing & Siding Products
This product profile is for informational purposes only and does not constitute legal or medical advice. Product formulations varied over time, and not all units of a product necessarily contained asbestos. No attorney-client relationship is formed by viewing this information. Always consult with a qualified mesothelioma attorney and medical professional for guidance specific to your situation.
Get a Free Johns-Manville Flexboard Asbestos Siding Exposure Case Review
If you or a loved one was exposed to Johns-Manville Flexboard Asbestos Siding and diagnosed with mesothelioma or another asbestos-related disease, our attorneys can help you understand your legal options at no cost or obligation.
Or call us 24/7: 1-800-400-1805