(a) A declarant and any dealer warrants that a unit will be in at least as good condition at the earlier of the time of the conveyance or delivery of possession as it was at the time of contracting, reasonable wear and tear excepted.
(b) A declarant and any dealer impliedly warrants that a unit and the common elements in the common interest community are suitable for the ordinary uses of real estate of its type and that any improvements made or contracted for by him or made by any person before the creation of the common interest community, will be:
(1) Free from defective materials; and