Caulkings are used to seal gaps or cracks in the exterior of a home or building. If you're looking for some synonyms to use when describing this process, there are several options to choose from. Some alternatives to the word "caulkings" might include "sealants", "fillers", or "joint compounds". Other options could be "waterproofing materials", "crack sealers", or "gap fillers". When considering which term to use, it's important to choose one that accurately describes the product or process being used, while also matching the tone and context of the written or spoken material.