Colorfast Siliconized-Acrylic Caulking - Non-Sanded Mapei Colors - 10.3 fl oz (Black #10)
- Long lasting, permanently flexible marine polysulfide sealant which can be sanded, painted, and used above and below the waterline.
- Low viscosity, free-flowing polysulfide sealant for use on fine cracks and seams.
- Non-shrinking, flexible, sandable compound.