How Do I Get My Contractors License | C-2 Acoustical Insulation Contractor

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C-2 – Insulation and Acoustical Contractor

An insulation and acoustical contractor installs any insulating media and preformed architectural acoustical materials for the purpose of temperature and/or sound control.

Content of the Examination

The Insulation and Acoustical (C-2) Examination is divided into six major sections. These sections are:

1. Job Preparation (15%)

Plans and specifications
Technical data
Site preparation
Material quantities

2. Acoustical Systems (31%)

Grid layout and framing
Exposed grids
Acoustical, panels, and tiles
Seismic requirements
Carrier channel requirements
Concealed systems
Trims and finishes
Sound proofing

3. Hand-Installed Insulation (21%)

Fire and smoke control
Building insulation
Vapor and air barriers
Mechanical insulation fasteners
Reflective insulation
Mechanical & HVAC insulation

4. Blow-in Insulation (7%)

Baffle installation
Exterior/interior patching

5. Spray-in Insulation (5%)

Spray preparation
Insulation

6. Safety (21%)

Personal protection
Equipment and tools
Site conditions
Materials transportation

*Percentages are approximate*

Sample Questions

The following questions are typical of the types of items that are on the examination. The correct answer is highlighted.

1. A contractor is to install an acoustical ceiling in a building having a heating-cooling system that makes use of pressurized plenums. The contractor places the ceiling after the venting system is installed, but before it is placed in operation. How has the contractor proceeded?

a. CORRECTLY

b. INCORRECTLY- the system is to be in operation for 48 hours before the ceiling is installed.

c. INCORRECTLY- acoustical ceilings are never used with pressurized plenums.

d. INCORRECTLY- the ceiling must be in place before the venting system is installed.

2. Specifications call for the installation of Kraft-faced insulation in a metal stud wall with studs spaced 16" o.c. The insulation sent by the supplier has stapling flanges. Which of the following actions would be appropriate in this situation?

a. staple the paper to the studs.

b. attach flanges to studs with adhesives

c. use mechanical fasteners

d. send the insulation back

3. When installing insulation in the interior of a duct, which of he following characteristics of insulation would be MOST effective in reducing sound transmission?

a. density

b. porosity

c. elasticity

d. ductility

*All questions are written and reviewed by licensed contractors who are actively working in the field*

Resources

Cal/ OSHA State of California Construction Safety Orders.

California Code of Regulations, Title 8, Industrial Relations, Chapter 4, Subchapter 4,

Barclays Law Publishers,

P.O. Box 95767, Chicago, IL 60694.

(800) 888-3600. FAX: (415) 732-8875.

OR Building News, Inc.