Do not dilute—use as supplied
2" yellow criss-cross webbing — reinforced for lifting support
Application Method Brush or roller Application Temperature 10°F (-12°C) and above Surface Orientation Vertical and horizontal Color Red to reddish-brown Mixing or Dilution None required Cleanup Mineral spirits Shelf Life Three years when properly stored
Multiple size options Fits a range of common block sizes
cleaning agents (excluding aromatic solvents)
PROSOCO HCT – Hydroxylating Conversion Treatment for Marble & Limestone (5 Gallon) 3Gen Masonry Products Do not dilute—use as suppliedSTONE STRENGTHENER & ACID RESISTANT TREATMENT PROSOCO HCT (Hydroxylating Conversion Treatment) is a two component, waterborne system designed to strengthen and protect carbonate stone surfaces such as marble, limestone, dolomite, and travertine. This advanced treatment forms a stable conversion layer within the stone, significantly improving resistance to acid rain, air pollution, and environmental weathering. It enhances durability while preserving