JHX vs CNM 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.

Core & Main is a leading specialty distributor with a focus on water, wastewater, storm drainage, and fire protection products. The company provides solutions to municipalities, private water companies, and professional contractors across municipal, nonresidential, and residential end markets. The company's specialty products and services are used in the maintenance, repair, replacement, and construction of water and fire protection infrastructure.