Oregon Construction Contractors (CCB) Practice Test

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Can a building use EIFS if it has a drainage system, a water-resistive barrier, and proper flashing?

  1. Yes, always

  2. No, it cannot

  3. Only if inspected

  4. Only if the owner approves

The correct answer is: No, it cannot

The correct response indicates that using EIFS (Exterior Insulation and Finish System) without adhering to strict guidelines is not permissible. While EIFS can be effective with a drainage system, water-resistive barrier, and proper flashing, it is important to recognize that building codes often impose specific requirements that must be met to ensure the material's integrity and the overall safety of the structure. Many jurisdictions may have regulations that restrict the use of EIFS due to potential issues with moisture retention and resulting damage if the systems are not properly installed or maintained. Therefore, it’s crucial to follow local building codes and regulations regarding EIFS usage, which may include a blanket ban or additional requirements beyond those mentioned. Without these safeguards or during certain conditions, the risks associated with EIFS could render it unsuitable for usage in construction projects.

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