Question 1

Thermal conductivity

Accepted Answer

The property of a material that indicates its ability to conduct heat.

Question 2

R-value

Accepted Answer

A measure of a material's resistance to heat flow, the higher the R-value, the better the insulation.

Question 3

K-value

Accepted Answer

The thermal conductivity of a material, measured in Watts per meter-Kelvin (W/m·K).

Question 4

U-value

Accepted Answer

The overall heat transfer coefficient, measured in Watts per square meter-Kelvin (W/m²·K).

Question 5

Vapor barrier

Accepted Answer

A material used to prevent moisture from penetrating insulation, reducing its effectiveness.

Question 6

Jacketing

Accepted Answer

The outer protective layer applied over insulation to prevent mechanical damage and weathering.

Question 7

Calcium silicate

Accepted Answer

A rigid, high-temperature insulation material used for industrial applications.

Question 8

Mineral wool

Accepted Answer

An insulation material made from spun molten rock or slag, used for its fire resistance and sound absorption properties.

Question 9

Cellular glass

Accepted Answer

A lightweight, rigid, closed-cell insulation material known for its high compressive strength and moisture resistance.

Question 10

Polyisocyanurate (PIR)

Accepted Answer

A high-performance, rigid foam insulation material with excellent thermal resistance and fire performance.

Question 11

Expanded polystyrene (EPS)

Accepted Answer

A lightweight, rigid foam insulation material with good thermal resistance and low moisture absorption.

Question 12

Extruded polystyrene (XPS)

Accepted Answer

A rigid foam insulation material with higher compressive strength and moisture resistance than EPS.

Question 13

Phenolic foam

Accepted Answer

A rigid insulation material with low thermal conductivity and excellent fire performance.

Question 14

Flexible elastomeric foam

Accepted Answer

A flexible insulation material used for irregular surfaces and to prevent condensation on cold surfaces.

Question 15

Aerogel

Accepted Answer

A high-performance, ultra-lightweight insulation material with extremely low thermal conductivity.

Question 16

Radiant barriers

Accepted Answer

Materials that reflect radiant heat, reducing heat gain or loss.

Question 17

C-value

Accepted Answer

The thermal conductance of a material, measured in Watts per square meter-Kelvin (W/m²·K).

Question 18

Continuous insulation (CI)

Accepted Answer

Insulation that is uninterrupted by structural members or other thermal bridges.

Question 19

Thermal bridge

Accepted Answer

A component or area of a building envelope that has higher thermal conductivity than surrounding materials.

Question 20

Insulation fasteners

Accepted Answer

Mechanical devices used to secure insulation materials to a substrate.

Question 21

Lagging

Accepted Answer

Insulation material used to wrap around pipes, ducts, or other cylindrical surfaces.

Question 22

Insulation hangers

Accepted Answer

Vertical supports used to hold insulation in place on walls or ceilings.

Question 23

Pipe insulation

Accepted Answer

Insulation material specifically designed for insulating pipes to reduce heat loss or gain and prevent condensation.

Question 24

Duct insulation

Accepted Answer

Insulation material designed for insulating ducts in HVAC systems.

Question 25

Insulating blankets

Accepted Answer

Flexible insulation material used to cover large or irregular surfaces.

Question 26

Reflective insulation

Accepted Answer

Insulation material that reflects radiant heat, reducing heat transfer.

Question 27

Insulation facings

Accepted Answer

Protective coverings or coatings applied to insulation materials to provide a vapor barrier, improve appearance, or enhance performance.

Question 28

Perimeter insulation

Accepted Answer

Insulation installed around the perimeter of a building foundation to reduce heat loss.

Question 29

Cavity wall insulation

Accepted Answer

Insulation material installed within a cavity wall to reduce heat loss or gain.

Question 30

Soffit insulation

Accepted Answer

Insulation installed in the soffit area of a building to reduce heat transfer.

Question 31

Insulation batts

Accepted Answer

Pre-cut sections of insulation material, typically made of fiberglass or mineral wool.

Question 32

Loose-fill insulation

Accepted Answer

Insulation material that is blown or poured into cavities or spaces.

Question 33

Spray foam insulation

Accepted Answer

Insulation material that is applied as a liquid and expands into a foam, filling gaps and providing an air barrier.

Question 34

Heat trace

Accepted Answer

Electric cables installed on pipes to maintain a constant temperature, preventing freezing or condensation.

Question 35

Insulation thickness

Accepted Answer

The depth or width of the insulation material, which directly affects its thermal performance.

Question 36

Compressive strength

Accepted Answer

The ability of an insulation material to withstand compressive forces without breaking or deforming.

Question 37

Water vapor permeability

Accepted Answer

The rate at which water vapor can diffuse through an insulation material.

Question 38

Fire rating

Accepted Answer

A classification that indicates an insulation material's ability to resist fire and prevent the spread of flames.

Question 39

Smoke development

Accepted Answer

The amount of smoke produced by an insulation material when exposed to fire.

Question 40

Acoustic insulation

Accepted Answer

Insulation material designed to reduce sound transmission through walls, floors, and ceilings.

Question 41

Insulation density

Accepted Answer

The mass per unit volume of an insulation material, which can affect its thermal performance.

Question 42

Thermal expansion

Accepted Answer

The increase in an insulation material's volume due to temperature changes.

Question 43

Condensation control

Accepted Answer

The prevention of moisture accumulation within or on insulation materials, which can degrade performance.

Question 44

Insulation lifespan

Accepted Answer

The expected service life of an insulation material before it needs replacement or loses its effectiveness.

Question 45

Retrofit insulation

Accepted Answer

The process of adding insulation to an existing building to improve energy efficiency.

Question 46

Insulation inspection

Accepted Answer

The process of evaluating the condition and effectiveness of installed insulation materials.

Question 47

Insulation repair

Accepted Answer

The process of fixing damaged or degraded insulation to restore its performance.

Question 48

Insulation removal

Accepted Answer

The process of safely removing and disposing of old or damaged insulation materials.

Question 49

Asbestos

Accepted Answer

A hazardous mineral fiber once used in insulation materials, now banned due to its carcinogenic properties.

Question 50

Vermiculite

Accepted Answer

A lightweight, fire-resistant, and absorbent material used in insulation, often contaminated with asbestos.

Question 51

Insulation resistance

Accepted Answer

The ability of an insulation material to resist the flow of electric current.

Question 52

Thermal inertia

Accepted Answer

The ability of an insulation material to delay heat transfer by absorbing and storing heat.

Question 53

Insulation rebate

Accepted Answer

A financial incentive offered by utility companies or governments to encourage the installation of energy-efficient insulation.

Question 54

Thermal performance

Accepted Answer

The effectiveness of an insulation material in reducing heat transfer.

Question 55

Insulation certification

Accepted Answer

Verification that an insulation material meets industry standards and requirements.

Question 56

Insulation standards

Accepted Answer

Guidelines and specifications that define the performance and quality of insulation materials.

Question 57

Insulation testing

Accepted Answer

Laboratory procedures used to evaluate the properties and performance of insulation materials.

Question 58

Insulation installer

Accepted Answer

A professional who specializes in the installation, maintenance, and repair of insulation materials.

Question 59

Insulation tools

Accepted Answer

Equipment and instruments used in the installation, maintenance, and repair of insulation materials.

Question 60

Insulation safety

Accepted Answer

Precautions and guidelines to prevent accidents and injuries when working with insulation materials.

Question 61

Insulation disposal

Accepted Answer

The process of safely discarding insulation materials, including recycling or landfill disposal.

Question 62

Insulation cost

Accepted Answer

The expenses associated with purchasing, installing, and maintaining insulation materials, including labor and material costs.

Red Seal Exam Insulator (Heat and Frost) Flashcards