CPI CPI Material Selection & Quality Standards 3

Question 1

When specifying anchor bolts for concrete installations, what does the ICC-ES evaluation report confirm?

Accepted Answer

Code compliance and performance data for the anchor system

Answer

An ICC-ES (International Code Council Evaluation Service) report confirms that a product meets the requirements of applicable building codes and provides certified performance data for design and installation.

Question 2

Which fire resistance rating designation indicates a door assembly has been tested for 90 minutes?

Accepted Answer

Label B (90 minutes)

Answer

UL Label B fire door assemblies are tested for 90-minute fire resistance and are typically used in openings in 2-hour rated fire barriers.

Question 3

What moisture content percentage is considered 'dry' for dimensional lumber used in interior framing?

Accepted Answer

19% or less

Answer

Lumber with a moisture content of 19% or less is classified as 'dry' and is required for interior framing to minimize shrinkage, warping, and subsequent nail-pops after installation.

Question 4

Which roofing underlayment standard specifies requirements for synthetic non-bituminous products?

Accepted Answer

AC188

Answer

ICC Acceptance Criteria AC188 governs synthetic roofing underlayments (non-bituminous), providing the basis for ICC-ES evaluation reports used to demonstrate code compliance.

Question 5

When comparing Type X and Type C drywall, what makes Type C the superior fire-resistive choice?

Accepted Answer

Type C contains additional vermiculite or perlite that expands under heat

Answer

Type C drywall contains special additives such as vermiculite or perlite that expand when heated, helping the board maintain integrity longer and achieve better fire ratings than standard Type X.

(CPI) Certified Professional Installer Practice Test

(CPI) Certified Professional Installer Practice Test

CPI CPI Material Selection & Quality Standards 3