sealing material

English Thesaurus

1. any substance used to seal joints or fill cracks in a porous surface (noun.substance)

hypernym	:	material, stuff,
definition	:	the tangible substance that goes into the makeup of a physical object (noun.substance)

hyponym	:	sealant, sealer,
definition	:	a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface) (noun.substance)

hyponym	:	filler,
definition	:	used for filling cracks or holes in a surface (noun.substance)

hyponym	:	lute, luting,
definition	:	a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid (noun.substance)