Within the Polysulfide Construction Sealant segmentation by type, the market is differentiated into single‑component and two‑component systems, each further divided by modulus characteristics. Single‑component sealants, comprising about 40 % of the product mix, are valued for on‑site ease of use and rapid cure, making them prevalent in minor repair and retrofit projects. Two‑component formulations, representing the remaining 60 %, are preferred for high‑performance demands, offering superior chemical resistance and longer service life in critical infrastructure. Both categories split into high‑modulus (rigid) and low‑modulus (flexible) subtypes; high‑modulus variants are essential for structural glazing where dimensional stability is critical, while low‑modulus options dominate roofing and joint sealing where movement accommodation is required. This typology clarifies how material design aligns with functional needs, directly influencing adoption rates and overall market valuation.