NCIDQ Materials, Finishes, and Specifications

Question 1

Which carpet specification method describes performance requirements without naming a specific product brand?

Accepted Answer

Descriptive specification

Answer

A descriptive specification defines performance criteria, construction methods, and material properties so any product meeting those standards can be used.

Question 2

What does VOC stand for in interior finish specifications, and why is it regulated?

Accepted Answer

Volatile Organic Compound; regulated because it contributes to poor indoor air quality

Answer

VOCs (Volatile Organic Compounds) are chemicals that off-gas from many finish materials and adhesives, contributing to poor indoor air quality and health risks.

Question 3

Which flooring material is rated by the Coefficient of Friction (COF) for slip resistance?

Accepted Answer

Ceramic and porcelain tile

Answer

Ceramic and porcelain tile are commonly rated by static and dynamic Coefficient of Friction (COF) to ensure adequate slip resistance, especially in wet areas.

Question 4

What does the Wyzenbeek test measure for upholstery fabric?

Accepted Answer

Abrasion resistance (durability)

Answer

The Wyzenbeek test measures upholstery fabric abrasion resistance by rubbing a wire mesh back and forth across the fabric and counting double rubs until wear shows.

Question 5

What is the significance of an 'MR Credit' in LEED v4 for material specifications?

Accepted Answer

It rewards use of materials with recycled content, regional sourcing, or third-party certification

Answer

LEED v4 Materials & Resources (MR) credits reward selection of products with environmental attributes such as recycled content, bio-based content, or Environmental Product Declarations (EPDs).

NCIDQ Exam Practice Test

NCIDQ Exam Practice Test

NCIDQ Materials, Finishes, and Specifications