JHX vs CSL Comparison

James Hardie is a manufacturer of fiber cement-based building products, selling primarily to the residential construction industry. North America is the primary geography, generating about 80% of group earnings. Here, it is the largest manufacturer of fiber cement, which is mainly used for exterior siding on houses. Following the Azek acquisition in 2025, it also produces wooden composite decking materials, siding trims, and accessories for outdoor areas including stair and deck railing. Businesses in Australia, New Zealand, and Europe, make up the rest of earnings.

Carlisle Companies Inc is a holding company. The company manufactures and sells single-ply roofing products and warranted systems and accessories for the commercial building industry. The company is organized into two segments including Carlisle Construction Materials and Carlisle Weatherproofing Technologies. The company's product portfolio includes moisture protection products, protective roofing underlayments, integrated air and vapor barriers, spray polyurethane foam and coating systems, and others. The majority of the company's revenue comes from the Carlisle Construction Materials segment, and more than half of the total revenue is earned in the United States.