Handbook of Sealant Technology - Paperbackby K. L. Mittal (Editor), A. Pizzi (Editor) Sealing is an age old problem that dates back to our earliest attempts to create a more comfortable living environment. Prehistoric people used natural sealants such as earth, loam, grass, and reeds to protect the interior of their homes against the weather. Today's applications extend to a myriad of uses. The Handbook of Sealant Technology provides an in depth examination of sealants, reviewing their