1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The Defendant is a contractor who constructed a Daegu-gu JIN apartment (hereinafter “instant apartment”), and the Plaintiffs concluded a sales contract with ENdi Development Co., Ltd. (hereinafter “SND”) with respect to the apartment corresponding to each unit and unit of the instant apartment as indicated in the separate sheet among the instant apartment buildings, and acquired ownership thereof.

B. In selling the apartment of this case from March 2005, the non-party company indicated that “I realize the spatial aestheticology as a material and fine consideration for high-quality materials and islanding up to the floor of the original salgrology, asking for the salgrology of nature from the high-class art month where we see a happy atmosphere, such as the Agalgr, in selling the apartment of this case,” but in fact, the floor of the apartment of this case was constructed as a composite board floor.

C. From December 2007, the Plaintiffs began to move into the apartment of this case, and filed an application for remedy for damages with the Korea Consumer Agency on the ground that the floor of the apartment of this case was constructed as a joint-market floor unlike the sale advertising.

The president of the Korea Consumer Agency applied for collective dispute mediation to the Consumer Dispute Mediation Commission on May 13, 2010, and the Consumer Dispute Mediation Commission commenced collective dispute mediation procedures on March 23, 2011, and the same year.

6. 22. 22. The Defendant decided to the effect that among the occupants of the instant apartment, the difference between the construction cost incurred by the modified construction (33 square meters shall be KRW 1,837,500, and KRW 1,323,000 shall be KRW 1,323,00) should be paid to those who entered into the sales contract prior to the completion of the construction, but the conciliation protocol was not prepared due to

[Reasons for Recognition] Unsatisfy, entry and video of Gap evidence 1 to 252 (including branch numbers in case of additional number) and the purport of the whole pleadings

2. The parties' assertion

A. The plaintiffs' assertion was also that the non-party company was scheduled to construct the floor of the apartment of this case by using the consolidated board floor.