Caulking material is a type of material used to fill gaps or cracks in order to prevent air or water from entering. The crossword solutions for the term 'caulking material' include TAR (3 letters), oakum (5 letters), SEALANT (7 letters), PUTTY (5 letters), sealants (8 letters), SEAL (4 letters), LEAKY (5 letters), and drafty (6 letters). TAR is a dark, viscous material derived from the distillation of organic materials such as wood, coal, or peat. Oakum is a type of fiber made from old ropes that are treated with TAR and used to fill gaps in ships and other structures. SEALANT is a type of material used to fill gaps and prevent air or water from entering. PUTTY is a type of material used to fill gaps and cracks in wood and other surfaces. Sealants are a type of material used to fill gaps and prevent air or water from entering. SEAL is a type of material used to fill gaps and prevent air or water from entering. LEAKY is a term used to describe a structure or material that allows air or water to pass through it. Drafty is a term used to describe a structure or material that allows air or drafts to pass through it.