What shall the Contractor do in case materials are considered defective?

The Contractor shall remove or replace defective materials when ordered to do so by the Owner.

Upon the Contractor's failure to do so, the Owner may remove and replace them and deduct the cost of removal and replacement from any money due or to become due the Contractor.

Even if the defects of the materials have been subsequently corrected, no materials shall be used until the Owner's approval is given.