A seamless, tileable limestone ashlar PBR texture featuring weather‑eroded, pitted block faces, softened arris edges, and subtle color shifts from cream to warm gray for authentic heritage masonry. Delivered as calibrated 4K maps—Base Color, Normal, Roughness, Ambient Occlusion, and Height/Displacement—ready for Blender, Unreal Engine, Unity HDRP/URP, 3ds Max, Maya, and Substance tools with a neutral, shadow‑free albedo. The height map supports parallax or tessellation to push block relief, recess joints, and showcase chips and shallow cavities, while tuned roughness captures chalky mineral grain with occasional damp sheen. UV‑friendly and non‑directional, it tiles cleanly for castles, cloisters, city walls, courtyards, and fantasy keeps; layers well with decals like moss streaks, leaks, soot, or signage. Optimized PNG/TIFF with clear naming and suggested normal/displacement values for rapid setup across engines; licensed for games, films, ArchViz, and promotional renders.