This Commercial Item Description covers three types of one-part caulking compounds, as listed below.

Type II - Siliconized Acrylic Latex

Water based, fair adhesion to most materials. Available in a wide range of colors.

Type III - Butyl Rubber

Solvent based, excellent adhesion to most materials. Suitable for extreme outdoor exposure to heat, cold, water, sunlight, and joint movement.

Type IV - 100% Silicone

Excellent adhesion to most materials, including glass. Suitable for extreme outdoor exposure to heat, cold, water, sunlight, and joint movement.

Suitable for use in sealing, caulking, filling, leveling, and glazing expansion joints up to 0.375" by 0.375", by hand spatula or cartridge injection.