Most slabs of extended age are not directly underlaid with an effective sub-slab moisture vapor retarder, which is likely the most important component of ASTM F710. ASTM E1745, “Standard ...

EGG HARBOR TOWNSHIP — A 23-year-old man was killed Tuesday when a concrete slab collapsed on top of him at a local condominium complex, police said. A roofing crew was cleaning up at the end of ...