Fiberglass Insulation in Insulation(1000+)
Reflective BLACK Insulation Roll Foam Core Radiant Barrier 5MM R8 (2' X 4') $15.88

Reflective BLACK Insulation Roll Foam Core Radiant Barrier 5MM R8 (2' X 4')
THERMAL Insulation 6 Inch x 20 Feet. Bubble Reflective Foil Insulation Roll R8 $12.88

THERMAL Insulation 6 Inch x 20 Feet. Bubble Reflective Foil Insulation Roll R8
Continuous Double Bubble Reflective Foil Insulation Roll - 16" WIDE (16"x5') R8 $5.88

Continuous Double Bubble Reflective Foil Insulation Roll - 16" WIDE (16"x5') R8
Reflectix R21 Attic Wall Reflective Bubble Roll Insulation 33.3-sq ft (16x25) $27.76

Reflectix R21 Attic Wall Reflective Bubble Roll Insulation 33.3-sq ft (16x25)
Guardian Building Prod 7058639 Fiberglass Insulation R13K 15 in. x 32 ft. Roll $53.23

Guardian Building Prod 7058639 Fiberglass Insulation R13K 15 in. x 32 ft. Roll
Owens Corning R-19 Faced Fiberglass Roll 23" Wide $356.95

Owens Corning R-19 Faced Fiberglass Roll 23" Wide
Owens Corning 15 in. W X 384 in. L X 3.5 in. 13 Kraft Faced Fiberglass Insulation Roll 40 sq ft $60.00 Was $85.45

Owens Corning 15 in. W X 384 in. L X 3.5 in. 13 Kraft Faced Fiberglass Insulation Roll 40 sq ft
1 Pc, Frost King 6 In. W X 25 Ft. L 1.6 Unfaced Fiberglass Pipe Insulation Wrap Roll 12.5 Sq Ft $13.23

1 Pc, Frost King 6 In. W X 25 Ft. L 1.6 Unfaced Fiberglass Pipe Insulation Wrap Roll 12.5 Sq Ft
HESITONE 1 Roll 200cmx50cm 3mm/6mm/8mm Adhesive Closed Cell Foam Sheets Soundproof Insulation Home Car Sound Acoustic Insulation $14.93

HESITONE 1 Roll 200cmx50cm 3mm/6mm/8mm Adhesive Closed Cell Foam Sheets Soundproof Insulation Home Car Sound Acoustic Insulation
Best seller SEALTECH 3mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (8" X 10') $24.94
SEALTECH 3mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (8" X 10')
SmartSHIELD 10mm - 48" x 50', Reflective Insulation Roll, White & Foil, Foam Core Thermal Barrier $219.95

SmartSHIELD 10mm - 48" x 50', Reflective Insulation Roll, White & Foil, Foam Core Thermal Barrier
HEAT Cool Shield Thermal Bubble Roll SILVER FOIL INSULATION R8 1/4INCH 4X10 $34.88

HEAT Cool Shield Thermal Bubble Roll SILVER FOIL INSULATION R8 1/4INCH 4X10
UCINNOVATE Reflective Insulation Roll, 12" x 10 Ft Aluminum Foil Thermal RV Window Insulation for Winter & Summer, Reflexic Radiant Barrier Bubble Roll for Window, Garage, Roof, RV, Attics, Car $15.19

UCINNOVATE Reflective Insulation Roll, 12" x 10 Ft Aluminum Foil Thermal RV Window Insulation for Winter & Summer, Reflexic Radiant Barrier Bubble Roll for Window, Garage, Roof, RV, Attics, Car
Best seller Reflective Insulation Roll Foil Heat Control Window Cover Thermal Insulation for Summer Winter Heat Aluminum Bubble Heat Reflective Material 1.96ftx 9.84ft Design 1 $13.99

Reflective Insulation Roll Foil Heat Control Window Cover Thermal Insulation for Summer Winter Heat Aluminum Bubble Heat Reflective Material 1.96ftx 9.84ft Design 1
Reflective Foil Insulation Bubble Roll Reflectix Heavy Duty Double Sided 4x25 $54.87

Reflective Foil Insulation Bubble Roll Reflectix Heavy Duty Double Sided 4x25
SmartSHIELD -3mm 48"x10ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield - Engineered Foil $29.95

SmartSHIELD -3mm 48"x10ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield - Engineered Foil
VEVOR Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 50 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield $84.99

VEVOR Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 50 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield
Aluminum Foil Insulation Roll 24 in X 10 FT Double Sided Reflective Heat Barrier Film for Greenhouse RV Roof Attic DIY Sunroom Thermal Insulation $11.81

Aluminum Foil Insulation Roll 24 in X 10 FT Double Sided Reflective Heat Barrier Film for Greenhouse RV Roof Attic DIY Sunroom Thermal Insulation
Garage Door Insulation Roll White / Reflective Foil Insulation 2ft x 5ft (R8) $12.88

Garage Door Insulation Roll White / Reflective Foil Insulation 2ft x 5ft (R8)
Continuous Double Foil Insulation Reflective Bubble Roll (12"x3FT) $6.44

Continuous Double Foil Insulation Reflective Bubble Roll (12"x3FT)
UCINNOVATE Bubble Reflective Insulation Roll, 12'' x 16.4ft Double Side Foil Thermal Insulation Sheet for Winter, Windows Aluminum Radiant Barrier for Summer Heat, Insulation Wrap for RV, Roof, Ducts $18.99

UCINNOVATE Bubble Reflective Insulation Roll, 12'' x 16.4ft Double Side Foil Thermal Insulation Sheet for Winter, Windows Aluminum Radiant Barrier for Summer Heat, Insulation Wrap for RV, Roof, Ducts
Insulation Roll 4ft x 10ft - 40SQFT Reflective Thermal Barrier - Class A Fire Rated - Heat Reflective Insulation for Walls, Attics & More $38.89

Insulation Roll 4ft x 10ft - 40SQFT Reflective Thermal Barrier - Class A Fire Rated - Heat Reflective Insulation for Walls, Attics & More
USEP AD5 Premium Reflective Insulation Roll Foam Core Radiant Barrier 16X25 R8 $25.88

USEP AD5 Premium Reflective Insulation Roll Foam Core Radiant Barrier 16X25 R8
THERMAL Insulation 6 Inch x 20 Feet. Bubble Reflective Foil Insulation Roll R8 $12.88

THERMAL Insulation 6 Inch x 20 Feet. Bubble Reflective Foil Insulation Roll R8
Winter-Proof Insulation Roll - 6MM Reflective Double Bubble Aluminum Foil, Fireproof B2, Ideal for Windows, Walls, Attics - Keeps Heat In, 5.9 Inch x 25 Ft

Winter-Proof Insulation Roll - 6MM Reflective Double Bubble Aluminum Foil, Fireproof B2, Ideal for Windows, Walls, Attics - Keeps Heat In, 5.9 Inch x 25 Ft
SmartSHIELD -3mm 48"x100Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade - White Film / Engineered Foil $174.99

SmartSHIELD -3mm 48"x100Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade - White Film / Engineered Foil
Pipe Insulation Tape Roll, 1.9" Wide X 32.8 Ft Outdoor Pipe Foam Insulation Tape with Aluminum Foil, Self Adhesive Pipe Insulation Wrap for Hot and Cold Water Pipe Insulation in Winter $10.00

Pipe Insulation Tape Roll, 1.9" Wide X 32.8 Ft Outdoor Pipe Foam Insulation Tape with Aluminum Foil, Self Adhesive Pipe Insulation Wrap for Hot and Cold Water Pipe Insulation in Winter
Reflectix Staple Tab Insulation Roll - Reflective System, Easy Installation - 16 in. x 25 ft. $30.53

Reflectix Staple Tab Insulation Roll - Reflective System, Easy Installation - 16 in. x 25 ft.
VEVOR Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 50 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield $84.99

VEVOR Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 50 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield
Reflective Foam Core Insulation RADIANT BARRIER Roll 3mm AD3 16" X 10' $12.88

Reflective Foam Core Insulation RADIANT BARRIER Roll 3mm AD3 16" X 10'
Reflective Bubble Insulation Roll Double Layer Polyethylene Foam Thermal Barrier for Roof Wall Attic HVAC Duct Window $9.81 Was $13.80

Reflective Bubble Insulation Roll Double Layer Polyethylene Foam Thermal Barrier for Roof Wall Attic HVAC Duct Window
Best seller "SmartSHIELD 3mm Reflective Insulation Roll - Foam Core Radiant Barrier with Foil Wrap (16" x 10') $15.95

"SmartSHIELD 3mm Reflective Insulation Roll - Foam Core Radiant Barrier with Foil Wrap (16" x 10')
2 Rolls Pipe Insulation Wrap 2" Wide X 32.8 ft Outdoor Foam And Foil Pipe Wrap Insulation Tape Self Adhesive for Winter Freeze Protection Insulation Wrap for Cold Hot Water Pipes $13.99

2 Rolls Pipe Insulation Wrap 2" Wide X 32.8 ft Outdoor Foam And Foil Pipe Wrap Insulation Tape Self Adhesive for Winter Freeze Protection Insulation Wrap for Cold Hot Water Pipes
Reflectix R21 Attic Wall Reflective Bubble Roll Insulation 33.3-sq ft (16x25) $27.76

Reflectix R21 Attic Wall Reflective Bubble Roll Insulation 33.3-sq ft (16x25)
Reflective Foil Insulation Bubble Roll Heavy Duty Double Sided 4'x10'

Reflective Foil Insulation Bubble Roll Heavy Duty Double Sided 4'x10'
Best seller Petoto Double Bubble Reflective Insulation Roll, 47 in X 65.6 Ft (258sqft), Aluminum Foil Heat Insulation Roll, Radiant Barrier Thermal Shield for Windows, Garage, RV $79.99 Was $89.99

Petoto Double Bubble Reflective Insulation Roll, 47 in X 65.6 Ft (258sqft), Aluminum Foil Heat Insulation Roll, Radiant Barrier Thermal Shield for Windows, Garage, RV
Clearance Window Insulation Kit, Reflective Insulation Roll with Hole, Reflective Bubble Insulation Sheet, Double Side Aluminum Foil Bubble Shield, Thermal Insulation for Windows, RV, Roof, Garage Door $6.73 Was $7.48

Window Insulation Kit, Reflective Insulation Roll with Hole, Reflective Bubble Insulation Sheet, Double Side Aluminum Foil Bubble Shield, Thermal Insulation for Windows, RV, Roof, Garage Door
500 sqft Aluminum Barrier Insulation - Sauna Vapor Barrier, Waterproof, 8 Mil - Solid Roll 4ft x 125ft $82.96 Was $103.75

500 sqft Aluminum Barrier Insulation - Sauna Vapor Barrier, Waterproof, 8 Mil - Solid Roll 4ft x 125ft
Reflective Foil Insulation, Double Reflective Bubble Insulation Sheet, Aluminum Foil Bubble Shield, Raant Barrier Roll for RV Windows Weatherproofing (23.6''x 10Ft)

Reflective Foil Insulation, Double Reflective Bubble Insulation Sheet, Aluminum Foil Bubble Shield, Raant Barrier Roll for RV Windows Weatherproofing (23.6''x 10Ft)
Garage Door Insulation Roll White / Reflective Foil Insulation 2ft x 5ft (R8) $12.88

Garage Door Insulation Roll White / Reflective Foil Insulation 2ft x 5ft (R8)
Continuous Double Bubble Reflective Foil Insulation Roll - 16" WIDE (16"x5') R8 $5.88

Continuous Double Bubble Reflective Foil Insulation Roll - 16" WIDE (16"x5') R8
3mm White & Foil Reflective Insulation Roll - 48" x 100' - High-Efficiency Thermal Barrier with Foam Core $174.95

3mm White & Foil Reflective Insulation Roll - 48" x 100' - High-Efficiency Thermal Barrier with Foam Core
Reflectix ST16050 Radiant Barrier Foil Insulation Roll 16 W in. x 50 L ft. $59.40

Reflectix ST16050 Radiant Barrier Foil Insulation Roll 16 W in. x 50 L ft.
Fwttom Insulation Foam, Double-Sided Aluminum Foil Window Insulation for Summer Heat, Sunscreen Foam Insulation Board Insulation Roll for Roof, Window, Car Glass $6.57

Fwttom Insulation Foam, Double-Sided Aluminum Foil Window Insulation for Summer Heat, Sunscreen Foam Insulation Board Insulation Roll for Roof, Window, Car Glass
VEVOR Double Reflective Insulation Roll, Non-Perforated Woven Fabric Radiant Barrier, 0.15mm 48 in x 125 ft, Double-Sided Aluminum Foil Heat Reflective Shield $78.99

VEVOR Double Reflective Insulation Roll, Non-Perforated Woven Fabric Radiant Barrier, 0.15mm 48 in x 125 ft, Double-Sided Aluminum Foil Heat Reflective Shield
Popular in Fiberglass Insulation in Insulation - Walmart.com
FAQ
What are the main drawbacks of using fiberglass insulation?
Fiberglass insulation is popular but comes with some drawbacks to consider:
- Skin and Respiratory Irritation: Handling fiberglass can cause itching or irritation due to tiny glass fibers.
- Installation Challenges: It requires protective gear and careful installation to avoid exposure.
- Moisture Sensitivity: Fiberglass can lose effectiveness if it gets wet, potentially leading to mold growth.
- Air Leakage: It doesn't seal gaps well, so additional air sealing may be needed.
Understanding these factors can help you decide if fiberglass insulation fits your project needs.
How can I tell if my fiberglass insulation needs replacing?
Signs that fiberglass insulation might need replacement include:
- Visible Damage: Look for sagging, compression, or areas where insulation is missing.
- Moisture or Mold: Damp spots or mold growth indicate compromised insulation.
- Reduced Energy Efficiency: Noticeable drafts or higher energy bills can suggest insulation loss.
- Age: Fiberglass insulation typically lasts around 20-30 years; older insulation may degrade.
Regular inspection helps maintain your home's comfort and energy efficiency.
What safety steps should I take when installing fiberglass insulation?
Installing fiberglass insulation safely involves several precautions:
- Wear Protective Gear: Use gloves, long sleeves, goggles, and a dust mask to prevent skin and respiratory irritation.
- Ventilate the Area: Ensure good airflow to minimize inhaling fibers.
- Handle Carefully: Avoid rough handling that can release more fibers into the air.
- Clean Up Thoroughly: Use a vacuum with a HEPA filter and wash exposed skin after installation.
Following these steps can help reduce discomfort and exposure risks during your project.
How do reflective insulation rolls differ from fiberglass rolls?
Reflective insulation rolls and fiberglass rolls serve different purposes and have distinct features:
- Reflective Insulation: Made with foil or bubble materials, it reflects radiant heat, making it ideal for reducing heat gain in attics or RVs.
- Fiberglass Insulation: Composed of glass fibers, it slows heat transfer through conduction and convection, commonly used in walls and ceilings.
- Installation Areas: Reflective insulation works best with an air gap, while fiberglass fits snugly in cavities.
- Thickness and R-Value: Fiberglass typically offers higher R-values per inch compared to reflective types.
Choosing between them depends on your insulation goals and installation location.
What factors should I consider when choosing insulation size and thickness?
Selecting the right size and thickness for insulation involves several considerations:
- Space Dimensions: Measure the width and length of the area to ensure proper fit without gaps.
- Desired R-Value: Thicker insulation usually provides higher thermal resistance; check local building codes for recommended R-values.
- Installation Location: Different areas like walls, attics, or pipes may require specific thicknesses or types.
- Material Type: Fiberglass rolls come in various thicknesses; reflective insulation thickness varies based on design.
Accurate measurements and understanding your insulation needs help optimize energy efficiency and comfort.













