Most of them did not do an adequate job, but the industry is beginning to make headway. Some are manufactured in different viscosities, designed to seal cracks, joints, and verticals. Cold-pour may be applied to damp pavements, and dusty walls do not affect their performance. Cost of Materials. Cost of Equipment.
Silicones require larger and more well-trained crews.
Summarized by Kristopher Hamilton from the article in Better Roads, December 1997.