Johns Manville
A leading manufacturer of building materials including insulation, roofing, and engineered products, acquired by Berkshire Hathaway in 2001.
Johns Manville
Founded: 1858 Acquired by Berkshire: 2001 Status: Berkshire Hathaway subsidiary
Overview
Johns Manville is a major manufacturer of building materials, specializing in insulation, roofing, and engineered products for residential and commercial applications. The company has a long history dating back to the 19th century.
Products
Insulation
- Fiberglass insulation
- Spray foam insulation
- Mechanical insulation
Roofing
- Commercial roofing systems
- Residential roofing
- Roof insulation
Engineered Products
- Commercial and industrial products
- Air filtration
- Specialty building products
History
Early History
Founded in 1858, Johns Manville was originally known for mining and processing talc and other minerals. Over time, the company evolved into a building materials powerhouse.
Modern Era
Today, Johns Manville operates manufacturing facilities across North America and serves builders, contractors, and homeowners.
Related
- warren-buffett — Berkshire parent
- berkshire-hathaway — Parent company
- building-materials — The industry
Source
Berkshire Hathaway Annual Meetings