lagging

English Thesaurus

1. used to wrap around pipes or boilers or laid in attics to prevent loss of heat (noun.substance)

hypernym	:	insulant, insulating material, insulation,
definition	:	a material that reduces or prevents the transmission of heat or sound or electricity (noun.substance)

derivation	:	lag,
definition	:	cover with lagging to prevent heat loss (verb.contact)

derivation	:	lag,
definition	:	cover with lagging to prevent heat loss (verb.contact)