Based on new evidence, observations are offered on the importation of roof tiles from Sinope and Heraklea Pontica to the west Pontic poleis and the Thracian interior. The data indicate that the roof tiles of both Sinope and Heraklea were distributed mostly in the 4th century BC. Despite the intensive importation of products in Sinopean amphorae in later periods, there were no imports of roof tiles. The insignificant volume of the imports is still more remarkable bearing in mind the evidence of the widespread use of roof tiles. This decline in imports was most probably related to the emergence of large-scale local production and/or imports from other Black Sea poleis.