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.
Rockwool Comfortbatt R30 (All Sizes)
Rockwool Comfortbatt R30 (All Sizes) Rockwool
Vendor
Rockwool
Regular price
from $0.00
Sale price
from $0.00
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per 
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Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes) Polyiso Thermax Sheathing
Vendor
Dow
Regular price
from $76.53
Sale price
from $76.53
Regular price
Unit price
per 
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RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
Vendor
R-Max
Regular price
from $1,220.92
Sale price
from $1,220.92
Regular price
Unit price
per 
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Rockwool Comfortbatt R15 (All Sizes)
Rockwool Comfortbatt R15 (All Sizes) Rockwool
Vendor
Rockwool
Regular price
from $1,315.66
Sale price
from $1,315.66
Regular price
Unit price
per 
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CrawlWeave Crawlspace Floor Covering 14mm - All Sizes
CrawlWeave Crawlspace Floor Covering 14mm - All Sizes
Vendor
CrawlWeave
Regular price
from $380.00
Sale price
from $380.00
Regular price
Unit price
per 
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Dupont XPS 250 Blue Board - All Sizes
Dow XPS 250 Blue Board - All Sizes XPS Blue Board
Vendor
Dupont
Regular price
from $40.11
Sale price
from $40.11
Regular price
Unit price
per 
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RMax Thermasheath 4ft x 8ft Polyiso Rigid Foam Insulation Board - All Sizes
RMax Thermasheath 3 4ft x 8ft Polyiso Rigid Foam Insulation Board - All Sizes Rigid Insulation
Vendor
R-Max
Regular price
from $1,046.77
Sale price
from $1,046.77
Regular price
Unit price
per 
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Owens Corning R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-30 Unfaced Fiberglass Insulation Batts - All Sizes Owens Corning
Vendor
Owens Corning
Regular price
from $224.74
Sale price
from $224.74
Regular price
Unit price
per 
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HempWool R7 Hemp Insulation - All Sizes
HempWool R7
Vendor
Hempitecture
Regular price
$787.68
Sale price
$787.68
Regular price
$0.00
Unit price
per 
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HempWool R13 Hemp Insulation (400 Sq Ft/Pallet) - All Sizes
HempWool R13 - (400 sq ft/Pallet) - FP
Vendor
Hempitecture
Regular price
$628.54
Sale price
$628.54
Regular price
$0.00
Unit price
per 
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HempWool R20 Hemp Insulation (256 Sq Ft/Pallet) - All Sizes
HempWool R20 - (256sq ft/Pallet) - FP
Vendor
Hempitecture
Regular price
$563.17
Sale price
$563.17
Regular price
$0.00
Unit price
per 
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HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes
HempWool R28 Hemp Insulation - (192 sq ft/Pallet)
Vendor
Hempitecture
Regular price
$600.98
Sale price
$600.98
Regular price
$0.00
Unit price
per 
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Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes 12.5 in. x 24 in. x 48 in. (R38) (4 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $248.73
Sale price
from $248.73
Regular price
Unit price
per 
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Owens Corning R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-38 Unfaced Fiberglass Insulation Batts - All Sizes Owens Corning
Vendor
Owens Corning
Regular price
from $216.61
Sale price
from $216.61
Regular price
Unit price
per 
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Double Bubble Reflective Foil Insulation Rolls - All Sizes
Double Bubble Reflective Foil Insulation Rolls - All Sizes Double Bubble Wrap Insulation
Vendor
Insulation4US
Regular price
from $104.63
Sale price
from $104.63
Regular price
Unit price
per 
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Owens Corning R-21 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-21 Kraft Faced Fiberglass Insulation Batts - All Sizes 5.5 in. x 23 in. x 93 in. (5 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $410.73
Sale price
from $410.73
Regular price
Unit price
per 
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Knauf Ecoroll R-19 Kraft Faced Fiberglass Insulation Roll - All sizes
Knauf Ecoroll R-19 Kraft Faced Fiberglass Insulation Roll - All sizes Roll
Vendor
Knauf
Regular price
from $220.83
Sale price
from $220.83
Regular price
Unit price
per 
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Owens Corning R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes 10 in. x 24 in. x 48 in. (4 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $277.80
Sale price
from $277.80
Regular price
Unit price
per 
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Owens Corning R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes 6.25 in. x 15 in. x 105 in. (5 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $286.58
Sale price
from $286.58
Regular price
Unit price
per 
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Owens Corning R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning EcoTouch R49 Paperfaced Batts (All Sizes) Owens Corning
Vendor
Owens Corning
Regular price
from $361.42
Sale price
from $361.42
Regular price
Unit price
per 
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Owens Corning R-19 Un-Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-19 Un-Faced Fiberglass Insulation Batts - All Sizes 6.5 in. x 15 in. x 105 in. (5 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $267.79
Sale price
from $267.79
Regular price
Unit price
per 
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Owens Corning R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes 3.5 in. x 23 in. x 93 in. (5 Bags) Owens Corning
Vendor
Owens Corning
Regular price
from $398.67
Sale price
from $398.67
Regular price
Unit price
per 
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Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $284.04
Sale price
from $284.04
Regular price
Unit price
per 
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Owens Corning R-15 Kraft Faced Fiberglass Insulation Batt - All Sizes
Owens Corning R-15 Kraft Faced Fiberglass Insulation Batt - All Sizes Owens Corning
Vendor
Owens Corning
Regular price
from $339.55
Sale price
from $339.55
Regular price
Unit price
per 
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Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $266.47
Sale price
from $266.47
Regular price
Unit price
per 
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Insulguard Contractor Pointbond SBPP Insulation Roll Folded - All Sizes
Insulguard Contractor Pointbond SBPP Insulation Roll Folded - All Sizes Accessories
Vendor
Insulguard
Regular price
from $91.15
Sale price
from $91.15
Regular price
Unit price
per 
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Owens Corning R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-13 Un-Faced Fiberglass Insulation Batts - All Sizes Owens Corning
Vendor
Owens Corning
Regular price
from $312.23
Sale price
from $312.23
Regular price
Unit price
per 
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Dupont XPS 150 Blue Board - All Sizes
Dow XPS 150 Blue Board - All Sizes XPS Blue Board
Vendor
Dupont
Regular price
from $43.67
Sale price
from $43.67
Regular price
Unit price
per 
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Double Bubble White Foil Reflective Insulation Rolls - All Sizes
Double Bubble White Foil Reflective Insulation Rolls - All Sizes Double Bubble Wrap Insulation
Vendor
Insulation4US
Regular price
from $101.25
Sale price
from $101.25
Regular price
Unit price
per 
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Knauf Ecobatt R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $0.00
Sale price
from $0.00
Regular price
Unit price
per 
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Insulguard Eco-builder Pointbond SBPP Insulation Rolls (All Sizes)
Insulguard Eco-builder Fabric Insulation Rolls (All Sizes) Ceiling
Vendor
Insulguard
Regular price
from $0.00
Sale price
from $0.00
Regular price
Unit price
per 
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Knauf Ecobatt R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $290.26
Sale price
from $290.26
Regular price
Unit price
per 
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Knauf Ecoroll R-19 Unfaced Fiberglass Insulation Roll 6.25 in x 15 in x 39.2 ft (6 Rolls)
Knauf Ecoroll R-19 Unfaced Fiberglass Insulation Roll 6.25 in x 15 in x 39.2 ft (6 Rolls) Roll
Vendor
Knauf
Regular price
from $205.87
Sale price
from $205.87
Regular price
$187.39
Unit price
per 
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Knauf Ecobatt R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $268.10
Sale price
from $268.10
Regular price
Unit price
per 
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Knauf Ecobatt R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-13 Unfaced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $248.44
Sale price
from $248.44
Regular price
Unit price
per 
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Knauf Ecobatt R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-38 Unfaced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $270.76
Sale price
from $270.76
Regular price
Unit price
per 
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Knauf Ecobatt R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-30 Unfaced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $307.15
Sale price
from $307.15
Regular price
Unit price
per 
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Knauf Ecobatt R-30 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-30 HD Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $313.45
Sale price
from $313.45
Regular price
Unit price
per 
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Knauf Ecobatt R-15 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-15 HD Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $391.95
Sale price
from $391.95
Regular price
Unit price
per 
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Knauf Ecoroll R-13 Unfaced Fiberglass Insulation Roll 3.5 in x 15 in x 62.7 ft (6 Rolls)
Knauf Ecoroll R-13 Unfaced Fiberglass Insulation Roll 3.5 in x 15 in x 62.7 ft (6 Rolls) Roll
Vendor
Knauf
Regular price
from $271.02
Sale price
from $271.02
Regular price
Unit price
per 
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Ecobatt R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Ecobatt R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $322.59
Sale price
from $322.59
Regular price
Unit price
per 
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Ecobatt R-25 Kraft Faced Fiberglass Insulation Batts - All Sizes
Ecobatt R-25 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $325.87
Sale price
from $325.87
Regular price
Unit price
per 
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Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $457.81
Sale price
from $457.81
Regular price
Unit price
per 
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Owens Corning R-25 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-25 Unfaced Fiberglass Insulation Batts - All Sizes 8 in. x 16 in. x 96 in. (4 Bags) Batt
Vendor
Owens Corning
Regular price
from $232.24
Sale price
from $232.24
Regular price
Unit price
per 
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Owens Corning R-11 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-11 Un-Faced Fiberglass Insulation Batts - All Sizes Owens Corning
Vendor
Owens Corning
Regular price
from $318.62
Sale price
from $318.62
Regular price
Unit price
per 
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Knauf Ecoroll R-13 Kraft Faced Fiberglass Insulation Roll - All sizes
Knauf Ecoroll R-13 Kraft Faced Fiberglass Insulation Roll - All sizes Roll
Vendor
Knauf
Regular price
from $299.85
Sale price
from $299.85
Regular price
Unit price
per 
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Knauf Ecobatt R-11 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-11 Kraft Faced Fiberglass Insulation Batts - All Sizes Batts
Vendor
Knauf
Regular price
from $374.84
Sale price
from $374.84
Regular price
Unit price
per 
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Single Bubble Reflective Foil Insulation Rolls - All Sizes
Single Bubble Double Foil Reflective Insulation Rolls - All Sizes Single Bubble Wrap Insulation
Vendor
Insulation4US
Regular price
from $82.50
Sale price
from $82.50
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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