
Coastal-Grade Stone Veneer: ASTM B117 Salt Spray Testing & Marine Durability Standards
For coastal architecture, salt spray resistance is a non-negotiable metric for structural safety and project longevity. This technical study examines the impact of sodium chloride on masonry, specifically the mechanical “salt prying” effect caused by internal crystal expansion. Utilizing ASTM B117 testing protocols, we compare the superior durability of low-porosity metamorphic quartzite against porous sedimentary sandstone. The guide outlines critical 2026 maintenance standards for seaside facades, including freshwater rinsing cycles and silane-siloxane sealing protocols, to ensure permanent aesthetic and structural integrity in marine environments.







