$8.75B Merger: James Hardie Acquires AZEK to Transform Home Exteriors

James Hardie Industries has officially struck an $8.75 billion deal to acquire AZEK, aiming to create a leading force in outdoor living and home exteriors. The combination unites Hardie’s fiber cement solutions with AZEK’s decking, railing, and trim products, offering a more comprehensive set of materials for remodelers and homeowners. By joining their portfolios, the new entity plans to ramp up cost savings and expand its reach throughout North America.

Both brands have long touted the durability and low maintenance of their offerings. With this partnership, homeowners and contractors can get everything from siding and trim to decking and pergolas under one roof, all designed to stay strong and look good for years to come. Company leaders say the expanded product lineup will help them capture a bigger slice of the $23 billion market for exterior building products, while also creating an R&D powerhouse focused on fire, pest, and weather resistance.

James Hardie expects at least $350 million in extra annual earnings once cost and commercial synergies take hold. The deal’s also structured so AZEK shareholders get both cash and James Hardie stock—meaning they’ll keep a stake in the combined company’s future. Investors seem intrigued by the idea of more robust growth, and executives from both sides appear confident that, once the merger closes in late 2025, they’ll have a platform primed to drive sustainable and profitable innovation.