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Explanation: Your Spanish description indicates to me that the French word is 'tuileur'.
Tuileur [French] = tiler, tyler [English] according to Harrap's Dictionary.
According to Collins:
"chapar" = (Téc) to plate, cover (o line) with sheet metal (o veneer); [pared] to tile
Collins Unabridged Spanish-English & English-Spanish Dictionary, Glasgow & Barcelona Mansion: Harrap's French and English Dictionary, Part One French-English, London, Toronto, Wellington, Sydney, Paris