Other crossword clues for answer "INSULATE"INSULATEMake fireproofPrevent heat transmissionWeatherize, as with fiberglassProtect against heat loss, sayProtectMake heatproofProtect from heat lossShieldVerb related to "island"Beat the heat or coldSet apart.Take steps to keep the house warmWrap in fiberglassPut fiberfill in, e.gInstall fiberglass, perhapsPrevent heat from escaping