MASTERSEAL 380 is a low viscosity liquid with an optimum concentration of reactive hydrophobic silanesiloxane in a solvent carrier. MASTERSEAL 380 works by penetrating into the pores of concrete and masonry, forming a hydrophobic polysiloxane lining on the pore walls.
Optimum coverage is 4 - 6 m²/litre/coat. Minimum two coats are recommended.
Pack Size: MASTERSEAL 380 is available in 20 litre carboys.