The Material segmentation isolates the market based on the primary wood species or engineered product employed in prefabricated modules. Softwood—principally spruce, pine, and fir—dominates due to its availability, lower cost, and favorable strength‑to‑weight ratio, making it the default choice for most residential and low‑rise commercial applications. Hardwood such as oak, maple, and birch is reserved for high‑end finishes and projects requiring superior aesthetic qualities or higher load‑bearing capacity, thereby commanding premium pricing and contributing a smaller, yet financially significant, portion of market revenue. Engineered wood products, including cross‑laminated timber (CLT), glulam, and laminated veneer lumber (LVL), deliver enhanced dimensional stability and fire resistance, expanding the feasible building height and span. This sub‑segment is pivotal for institutional and high‑rise commercial constructions, where performance specifications outweigh material cost considerations. The material mix directly influences manufacturing complexity, supply‑chain dynamics, and ultimately the market’s aggregate valuation.