Karnak 6 in. H X 8 in. W X 4 in. D Glass Block Accessory

Karnak Emulsion is a tough, flexible black-asphalt compound especially designed to provide excellent protection against weathering. Non-Fibered Emulsion that fills in small cracks and acts as a barrier between the sill and glass block. The asphalt emulsion is of heavy paint consistency. This is a low-odor coating that resists the absorption of exterior moisture.