The Application segment of the Liquid Gap Fillers market is divided into four primary end‑uses: Construction, Automotive, Electronics, and Aerospace. In the construction sector, liquid gap fillers are employed for sealing expansion joints, waterproofing, and thermal insulation, accounting for the largest share of revenue due to the high volume of new building projects and retrofits worldwide. The automotive segment leverages these materials for chassis bonding, vibration damping, and corrosion protection, contributing a substantial portion of the market driven by the shift toward lightweight vehicle architectures. Electronics applications focus on encapsulating components, protecting against moisture ingress, and managing thermal expansion in printed circuit boards, representing a growing niche as device miniaturization accelerates. Finally, the aerospace segment utilizes high‑performance fillers for fuselage sealing and composite repair, delivering a premium‑price contribution despite its smaller volume. Collectively, these application categories define the overall market size and are reflected in the accompanying pie‑chart, illustrating the relative weight of each use case within the Liquid Gap Fillers segmentation.