This article reviews the types of sealant materials that have been conventionally used for both types of window glazing. They are discussed in relation to the performance specifications required in the building and construction sector. New materials that have been introduced for innovative design, efficient manufacturing, and low cost are also the focus of this article. These include reactive hot melt sealants and acrylic foam tape. This article reviews the types of sealant materials that have been conventionally used for both types of window glazing. They are discussed in relation to the performance specifications required in the building and construction sector. New materials that have been introduced for innovative design, efficient manufacturing, and low cost are also the focus of this article. These include reactive hot melt sealants and acrylic foam tape.