Comment on How would you seal this gap under central boiler hydronic baseboard heaters that only get warm, not hot.
Put down diatomaceous earth or a light dusting of boric acid powder into the crack. Problem solved forever.
+1 for boric acid. Stuff is a miracle powder.
cooljacob204@kbin.social 1 year ago
+1 for boric acid. Stuff is a miracle powder.