1.   Asphalt sealer can be sticky, stinking, sloppy stuff.

2.   If the surface is discolored or if pebbles clearly show, you probably need to apply an asphalt sealer.

3.   The exterior of the foundation should be waterproofed with a coating of asphalt sealer and a barrier of polyethylene film.

4.   The exterior of the foundation should be waterproofed with a coating of asphalt sealer and a barrier of six-mil black polyethylene film.