The construction of a laminate floor determines its ability to handle moisture. The core is typically composed of high-density fiberboard (HDF), which is treated with moisture-resistant resins. The water resistance is further enhanced by how the planks lock together; tight-fitting mechanical joints prevent water from seeping into the seams. Manufacturers also apply wax or proprietary sealants to the plank edges to provide additional protection, though laminate is still intended for dry environments rather than standing water.
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How does laminate core construction influence overall water resistance?
Laminate water resistance is defined by the core density and edge-sealing technology. High-density fiberboard (HDF) cores are less susceptible to swelling, while click-lock systems that seal seams tightly provide a physical barrier against liquid infiltration into the subfloor.