Certification Application

PTCA certifies porcelain tile that meets the American standard for porcelain: water absorption ≤ 0.5% (tested to ASTM C373).

Manufacturers and sellers may apply to have products tested and, if compliant, display the PTCA Certification Mark.

Steps to Porcelain Certification

  1. Apply. Complete this easy online order form.
  2. Test. Submit your products to IPA Laboratories, the only PTCA-authorized laboratory in the U.S.
  3. Certify. Once compliance is confirmed, your products earn the right to display the PTCA Certification Mark, proving they meet the criteria for porcelain tile.

PTCA owns the exclusive rights to the PTCA Certification Mark, referred to as the Mark, which it has granted others limited rights to use in connection with promotion of its certification program. The Mark is set out in attachment C of the program participation agreement and is shown here:

Using the PTCA Mark: Key Requirements

By using this Mark, and as a condition of and as consideration for such use, manufacturers agree with PTCA to use it only in accordance with the following Conditions of Use:

  • All questions regarding the use of the Mark, including interpretations of these Conditions of Use and any suspected misuse by others, should be immediately directed to PTCA at its website.
  • Participant shall not grant approval to any other person or entity to use the Mark.
  • Participant shall immediately advise PTCA of any misuse or suspected misuse of the Mark by others.
  • The Mark must not be used in a manner that would mislead or confuse buyers or users. For example, no promotional materials for conforming porcelain tile should display the Mark in such a way that directly or indirectly implies that noncertified products are certified under this certification program.
  • The Mark must be used only in its entirety and in a format specified by PTCA.
  • Participants may not alter or otherwise change the Mark’s appearance. All replicas must follow the original artwork.
  • All written or electronic promotional materials must be continually reviewed for proper usage of the Mark. PTCA is available to review such promotional materials and to advise on proper usage of the Mark. Full use should be made of this review process.
  • PTCA has the exclusive right to determine whether or not any use of any kind whatsoever of its Mark is proper, and any decision by PTCA in this regard is final.