Crawl Space Insulation

At Insulation4US, we offer a wide range of crawl space insulation products that are designed to keep your home warm in the winter and cool in the summer. We stock products from the leading manufacturers, so you can be sure you are getting a high quality product. We also offer free shipping on all eligible orders, so you can be sure you are getting value for money. Browse below and find the perfect crawl space insulation for your project.
Knauf Ecobatt R-23 Unfaced Fiberglass Insulation Batts 5.5 in x 15 in x 93 in (5 Bags)
Knauf Ecobatt R-23 Unfaced Fiberglass Insulation Batts 5.5 in x 15 in x 93 in (5 Bags) Batts
Vendor
Knauf
Regular price
$0.00
Sale price
$0.00
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per 
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Knauf Ecobatt R-22 Unfaced Fiberglass Insulation Batts 6.5 in x 23 in x 48 in (4 Bags)
Knauf Ecobatt R-22 Unfaced Fiberglass Insulation Batts 6.5 in x 23 in x 48 in (4 Bags) Batts
Vendor
Knauf
Regular price
from $449.04
Sale price
from $449.04
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per 
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Owens Corning R-20 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning EcoTouch R20 Paperfaced 5.5 in x 15 in x 93 in Batts in Bag Insulation (5 Bags) Batt
Vendor
Owens Corning
Regular price
$378.53
Sale price
$378.53
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per 
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Owens Corning R-19 Unfaced 6.25 in. x 24 in. x 48 in. Fiberglass Insulation Sonobatt (5 Bags)
Owens Corning EcoTouch R19 Unfaced 6.25 in x 24 in x 48 in Sonobatt in Bag Insulation (5 Bags) Sonobatt
Vendor
Owens Corning
Regular price
$413.33
Sale price
$413.33
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per 
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CertainTeed CertaPRO R19 Paperfaced Batts - All Sizes
CertainTeed CertaPRO R19 Paperfaced Batts - All Sizes CertainTeed
Vendor
CertainTeed
Regular price
from $0.00
Sale price
from $0.00
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per 
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CertainTeed R21 Paperfaced Batts - All Sizes
CertainTeed R21 Paperfaced Batts - All Sizes CertainTeed
Vendor
CertainTeed
Regular price
from $135.37
Sale price
from $135.37
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per 
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CertainTeed R30 Unfaced Batts - All Sizes
CertainTeed R30 Unfaced Batts - All Sizes CertainTeed
Vendor
CertainTeed
Regular price
from $60.95
Sale price
from $60.95
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per 
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Viper CSX Radiant Crawl Space Vapor Barrier - Full Range
Viper CSX Radiant Crawl Space Vapor Barrier - Full Range Insulation
Vendor
Viper
Regular price
from $0.00
Sale price
from $0.00
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Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Vendor
Viper
Regular price
from $175.00
Sale price
from $175.00
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per 
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Knauf Ecobatt R-38 FSK-25 Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-38 FSK-25 Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
$0.00
Sale price
$0.00
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per 
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Knauf Ecobatt R-30 Foil Faced Fiberglass Insulation Batts - 10 in x 24 in x 48 in (5 Bags)
Knauf Ecobatt R-30 Foil Faced Fiberglass Insulation Batts - 10 in x 24 in x 48 in (5 Bags) Batts
Vendor
Knauf
Regular price
from $656.19
Sale price
from $656.19
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Unit price
per 
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Knauf Ecobatt R-30 FSK-25 Fiberglass Insulation Batts - 10 in x 24 in x 48 in (5 Bags)
Knauf Ecobatt R-30 FSK-25 Fiberglass Insulation Batts - 10 in x 24 in x 48 in (5 Bags) Batts
Vendor
Knauf
Regular price
$0.00
Sale price
$0.00
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per 
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Knauf Ecobatt R-13 FSK-25 Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags)
Knauf Ecobatt R-13 FSK-25 Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags) Batts
Vendor
Knauf
Regular price
$0.00
Sale price
$0.00
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per 
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Knauf Ecobatt R-11 Foil Faced Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags)
Knauf Ecobatt R-11 Foil Faced Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags) Batts
Vendor
Knauf
Regular price
from $514.75
Sale price
from $514.75
Regular price
Unit price
per 
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Knauf Ecobatt R-11 FSK-25 Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags)
Knauf Ecobatt R-11 FSK-25 Fiberglass Insulation Batts - 3.5 in x 16 in x 96 in (5 Bags) Batts
Vendor
Knauf
Regular price
$0.00
Sale price
$0.00
Regular price
Unit price
per 
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CertainTeed CertaPRO R19 Unfaced Batts - All Sizes
CertainTeed CertaPRO R19 Unfaced Batts - All Sizes CertainTeed
Vendor
CertainTeed
Regular price
$91.90
Sale price
$91.90
Regular price
Unit price
per 
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CertainTeed CertaPRO R11 Unfaced Batts - All Sizes
CertainTeed CertaPRO R11 Unfaced Batts - All Sizes CertainTeed
Vendor
CertainTeed
Regular price
from $70.63
Sale price
from $70.63
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per 
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Rmax ECOMAXci Air Barrier 4ft x 8ft Insulation Board - All Thicknesses
Rmax ECOMAXci FR Air Barrier 4ft x 8ft Insulation Board - All Thicknesses RMax Bulk Buy
Vendor
R-Max
Regular price
from $11,555.67
Sale price
from $11,555.67
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Unit price
per 
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Johns Manville R38 Foil Faced Fiberglass Insulation Batt - 24" x 48" x 13"
Johns Manville R38 Foil Faced Fiberglass Insulation Batt - 24
Vendor
Johns Manville
Regular price
$0.00
Sale price
$0.00
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per 
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Owens Corning R-22 Unfaced Fiberglass Insulation Batts (All Sizes)
Owens Corning R-22 Unfaced Fiberglass Insulation Batts (All Sizes) Batt
Vendor
Owens Corning
Regular price
from $399.70
Sale price
from $399.70
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Unit price
per 
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Johns Manville R-30 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-30 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $55.68
Sale price
from $55.68
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Unit price
per 
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Johns Manville R-25 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-25 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $52.31
Sale price
from $52.31
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Unit price
per 
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Johns Manville R-21 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-21 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $0.00
Sale price
from $0.00
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per 
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Johns Manville R-21 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-21 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $79.84
Sale price
from $79.84
Regular price
Unit price
per 
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Johns Manville R-19 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-19 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $50.73
Sale price
from $50.73
Regular price
Unit price
per 
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Johns Manville R-19 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-19 Unfaced Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $55.86
Sale price
from $55.86
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per 
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Johns Manville R-15 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-15 Unfaced  Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $65.01
Sale price
from $65.01
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Unit price
per 
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Johns Manville R-13 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-13 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $52.59
Sale price
from $52.59
Regular price
Unit price
per 
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Johns Manville R-11 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-11 Unfaced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $58.44
Sale price
from $58.44
Regular price
Unit price
per 
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Johns Manville R11 Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R11 Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $64.34
Sale price
from $64.34
Regular price
Unit price
per 
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Johns Manville R30 Foil Faced Fiberglass Insulation Batt - All Sizes
Johns Manville R30 Foil Faced Fiberglass Insulation Batt - All Sizes Batt
Vendor
Johns Manville
Regular price
from $80.10
Sale price
from $80.10
Regular price
Unit price
per 
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Johns Manville R19 Foil Faced Fiberglass Insulation Batt - All Sizes
Johns Manville R19 Foil Faced Fiberglass Insulation Batt - All Sizes Batt
Vendor
Johns Manville
Regular price
from $82.76
Sale price
from $82.76
Regular price
Unit price
per 
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Johns Manville R13 Foil Faced Fiberglass Insulation Batt - All Sizes
Johns Manville R13 Foil Faced Fiberglass Insulation Batt - All Sizes Batt
Vendor
Johns Manville
Regular price
from $0.00
Sale price
from $0.00
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Unit price
per 
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Johns Manville R11 Foil Faced Fiberglass Insulation Batt - All Sizes
Johns Manville R11 Foil Faced Fiberglass Insulation Batt - All Sizes Batt
Vendor
Johns Manville
Regular price
from $94.15
Sale price
from $94.15
Regular price
Unit price
per 
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Johns Manville R-38 Kraft-Faced Fiberglass Insulation Batt - All Sizes
Johns Manville R-38 Kraft-Faced Fiberglass Insulation Batt - All Sizes Batt
Vendor
Johns Manville
Regular price
from $52.77
Sale price
from $52.77
Regular price
Unit price
per 
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Johns Manville R-30C Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-30C Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $69.34
Sale price
from $69.34
Regular price
Unit price
per 
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Johns Manville R-30 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-30 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $53.24
Sale price
from $53.24
Regular price
Unit price
per 
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Johns Manville R-21 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-21 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $75.10
Sale price
from $75.10
Regular price
Unit price
per 
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Johns Manville R-19 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-19 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $54.29
Sale price
from $54.29
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Unit price
per 
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Johns Manville R-19 Kraft-Faced Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-19 Kraft-Faced Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $59.79
Sale price
from $59.79
Regular price
Unit price
per 
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Johns Manville R-15 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-15 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $70.23
Sale price
from $70.23
Regular price
Unit price
per 
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Johns Manville R-13 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-13 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $56.81
Sale price
from $56.81
Regular price
Unit price
per 
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Johns Manville R-13 Kraft-Faced Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-13 Kraft-Faced Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $62.55
Sale price
from $62.55
Regular price
Unit price
per 
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Johns Manville R-11 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes
Johns Manville R-11 Kraft-Faced Fiberglass Insulation Batt - Wood Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $64.07
Sale price
from $64.07
Regular price
Unit price
per 
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Johns Manville R-11 Kraft-Face Fiberglass Insulation Batt - Steel Framing - All Sizes
Johns Manville R-11 Kraft-Face Fiberglass Insulation Batt - Steel Framing - All Sizes Batt
Vendor
Johns Manville
Regular price
from $70.54
Sale price
from $70.54
Regular price
Unit price
per 
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Crawl space insulation is pivotal for maintaining an energy-efficient home. It prevents the infiltration of cold air during winter and repels heat in summer, offering a comfortable indoor environment and reducing energy bills. The Crawl Space Insulation category at Insulation4US offers a plethora of products, ensuring that every need is met effectively.

Fiberglass Insulation Batts

Fiberglass insulation batts are renowned for their ease of installation and excellent thermal resistance. Products from vendors like Owens Corning and Knauf are available in various sizes and R-values, catering to different insulation needs. Kraft faced options offer a vapor barrier, suitable for areas where moisture control is crucial, while unfaced options are apt for locations where additional vapor retarders are unnecessary.

Practical Uses:

Fiberglass batts are practical for insulating unfinished walls, floors, and ceilings, making them versatile for various sections of the crawl space.

 

Rockwool Insulation

Rockwool Comfortbatt products offer stone wool insulation known for its fire-resistance and sound-absorbing qualities. It is available in R15 and R30, providing options for varying insulation needs.

Practical Uses:

Rockwool is suitable for areas prone to fire hazards and places where noise reduction is a priority, such as near busy roads.

 

Polyiso Rigid Foam

Polyiso rigid foam like Dow Thermax Sheathing and RMax Thermasheath offers high R-value per inch, making it efficient for space-limited areas. This insulation type is known for its superior moisture and thermal resistance.

Practical Uses:

Polyiso is ideal for insulating walls and roofs in crawl spaces, particularly in areas with space constraints.

 

XPS Insulation Board

Dupont provides XPS Blue Board in various sizes, featuring exceptional moisture resistance and durability.

Practical Uses:

XPS boards are practical for insulating floors and walls of the crawl space, especially in moist environments.

 

Reflective Foil Insulation

Insulation4US offers Double and Single Bubble Reflective Foil Insulations, ideal for reflecting radiant heat, making them suitable for hot climates.

Practical Uses:

Reflective foil is effective for insulating roofs in the crawl space, reflecting away the radiant heat and keeping the space cool.

 

Eco-Friendly Options

For environmentally-conscious consumers, products like Insulguard Pointbond SBPP Insulation Roll and Knauf Ecobatt provide sustainable insulation solutions without compromising on quality.

Practical Uses:

Eco-friendly options are suitable for consumers looking to reduce their carbon footprint while insulating their crawl spaces effectively.

When selecting insulation, considering the crawl space’s specific needs, local climate, and any space constraints is crucial. Assessing these factors in light of the diverse options available at Insulation4US will facilitate an informed and rewarding decision.

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