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Yes, under the association bylaws the installation of another floor would be a renovation and not decorative. Your by-laws are clear, and the phrase " Should a majority of the Unit Owners on a floor agree to a basic and reasonable cost for hallway decoration ...and the remaining (one) Unit Owner refuses to cooperate or pay his share, the Unit Owners wishing to redecorate may appeal to the Board, which after review, may assess the remaining Unit Owner for his proper share.
You have a valid argument that replacing the existing carpet with a floor is not " decoration”. Such a major renovation is not decorative, but is a renovation of the floor itself. Also depending on the scope of the work to replace the floor, permits may be required to remove the carpet and add a floor.
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