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Gray Masonry Type S

ASTM C91 Available in 70 lb bags

Product Information:

Suitable for non-load bearing mortar and outer wall plaster requiring the perfect amount of play and workability.

  • Manufactured to ASTM C91 spec
  • Used for ASTM C207 mortar
  • Exterior wall plaster (stucco)
Gray Masonry Type S (70 and 75 lb / 32kg and 34kg)