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.
145 products
Rockwool Comfortbatt R30 (All Sizes)
Rockwool Comfortbatt R30 (All Sizes)
Vendor
Rockwool
Rockwool Comfortbatt R30 (All Sizes)
Regular price
$0.00
Sale price
$0.00
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
Vendor
Dow
Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
Regular price
$76.53
Sale price
$76.53
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
Vendor
R-Max
RMax Below Grade 4ft x 8ft Insulation Board - All Sizes
Regular price
$0.00
Sale price
$0.00
Rockwool Comfortbatt R15 (All Sizes)
Rockwool Comfortbatt R15 (All Sizes)
Vendor
Rockwool
Rockwool Comfortbatt R15 (All Sizes)
Regular price
$1,315.69
Sale price
$1,315.69
CrawlWeave Crawlspace Floor Covering 14mm - All Sizes
CrawlWeave Crawlspace Floor Covering 14mm - All Sizes
Vendor
CrawlWeave
CrawlWeave Crawlspace Floor Covering 14mm - All Sizes
Regular price
$380.00
Sale price
$380.00
Dupont XPS 250 Blue Board - All Sizes
Dupont XPS 250 Blue Board - All Sizes
Vendor
Dupont
Dupont XPS 250 Blue Board - All Sizes
Regular price
$40.11
Sale price
$40.11
RMax Thermasheath 4ft x 8ft Polyiso Rigid Foam Insulation Board - All Sizes
RMax Thermasheath 4ft x 8ft Polyiso Rigid Foam Insulation Board - All Sizes
Vendor
R-Max
RMax Thermasheath 4ft x 8ft Polyiso Rigid Foam Insulation Board - All Sizes
Regular price
$1,091.11
Sale price
$1,091.11
Owens Corning R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$224.74
Sale price
$224.74
HempWool R7 Hemp Insulation - All Sizes
Vendor
Hempitecture
HempWool R7 Hemp Insulation - All Sizes
  • HempWool R7 is a sustainable and eco-friendly insulation material, made of 90% natural hemp fiber and 10% polymer fiber, with a competitive R-value of 3.7 per inch.
  • It offers excellent thermal efficiency, moisture management, and is treated with non-toxic fire retardants, making it safe and suitable for a variety of eco-conscious construction projects.
  • HempWool provides superior humidity control with high vapor permeability (0.647 Perms) and maintains its efficiency in moist conditions, surpassing many inorganic insulation materials.
Regular price
$840.78
Sale price
$840.78
HempWool R13 Hemp Insulation (400 Sq Ft/Pallet) - All Sizes
Vendor
Hempitecture
HempWool R13 Hemp Insulation (400 Sq Ft/Pallet) - All Sizes
  • HempWool R13 is an eco-friendly insulation material with a high R-value of 3.7 per inch, combining 90% natural hemp fiber and 10% polymer fiber for thermal efficiency and environmental benefits.
  • It offers superior humidity management, fire safety with non-toxic retardants, and is versatile for use in various parts of buildings, while being safe and easy to install.
  • It provides effective acoustic comfort and is particularly suitable for eco-conscious construction projects, enhancing indoor air quality and overall building health.
Regular price
$648.65
Sale price
$648.65
HempWool R20 Hemp Insulation (256 Sq Ft/Pallet) - All Sizes
Vendor
Hempitecture
HempWool R20 Hemp Insulation (256 Sq Ft/Pallet) - All Sizes
  • HempWool Insulation, made of 90% natural hemp, provides eco-friendly and efficient thermal resistance with an R-value of 3.7 per inch.
  • It offers improved safety features, including non-toxic fire retardants and low heat/smoke release, along with superior humidity management.
  • It provides effective acoustic comfort and is particularly suitable for eco-conscious construction projects, enhancing indoor air quality and overall building health.
Regular price
$576.04
Sale price
$576.04
HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes
Vendor
Hempitecture
HempWool R28 Hemp Insulation (192 Sq Ft/Pallet) - All Sizes
  • HempWool Insulation boasts a high R-value of 3.7 per inch, is environmentally friendly, and suitable for various building areas.
  • It offers excellent moisture management, fire resistance due to biobased retardants, and is easy to install in wooden or steel frames.
  • It provides effective acoustic comfort and is particularly suitable for eco-conscious construction projects, enhancing indoor air quality and overall building health.
Regular price
$625.12
Sale price
$625.12
Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$248.73
Sale price
$248.73
Owens Corning R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$216.61
Sale price
$216.61
Double Bubble Reflective Foil Insulation Rolls - All Sizes
Double Bubble Reflective Foil Insulation Rolls - All Sizes
Vendor
Insulation4US
Double Bubble Reflective Foil Insulation Rolls - All Sizes
Regular price
$116.26
Sale price
$116.26
Owens Corning R-21 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-21 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-21 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$410.73
Sale price
$410.73
Knauf Ecoroll R-19 Kraft Faced Fiberglass Insulation Roll - All sizes
Knauf Ecoroll R-19 Kraft Faced Fiberglass Insulation Roll - All sizes
Vendor
Knauf
Knauf Ecoroll R-19 Kraft Faced Fiberglass Insulation Roll - All sizes
Regular price
$220.82
Sale price
$220.82
Owens Corning R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$277.80
Sale price
$277.80
Owens Corning R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$286.58
Sale price
$286.58
Owens Corning R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$361.42
Sale price
$361.42
Owens Corning R-19 Un-Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-19 Un-Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-19 Un-Faced Fiberglass Insulation Batts - All Sizes
Regular price
$267.79
Sale price
$267.79
Owens Corning R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Owens Corning R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$398.67
Sale price
$398.67
Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-49 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$284.04
Sale price
$284.04
Owens Corning R-15 Kraft Faced Fiberglass Insulation Batt - All Sizes
Owens Corning R-15 Kraft Faced Fiberglass Insulation Batt - All Sizes
Vendor
Owens Corning
Owens Corning R-15 Kraft Faced Fiberglass Insulation Batt - All Sizes
Regular price
$385.45
Sale price
$385.45
Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-19 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$266.47
Sale price
$266.47
Insulguard Contractor Pointbond SBPP Insulation Roll Folded - All Sizes
Insulguard Contractor Pointbond SBPP Insulation Roll Folded - All Sizes
Vendor
Insulguard
Insulguard Contractor Pointbond SBPP Insulation Roll Folded - All Sizes
Regular price
$91.15
Sale price
$91.15
Owens Corning R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$312.23
Sale price
$312.23
Dupont XPS 150 Blue Board - All Sizes
Dupont XPS 150 Blue Board - All Sizes
Vendor
Dupont
Dupont XPS 150 Blue Board - All Sizes
Regular price
$43.67
Sale price
$43.67
Double Bubble White Foil Reflective Insulation Rolls - All Sizes
Double Bubble White Foil Reflective Insulation Rolls - All Sizes
Vendor
Insulation4US
Double Bubble White Foil Reflective Insulation Rolls - All Sizes
Regular price
$101.25
Sale price
$101.25
Knauf Ecobatt R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-19 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$254.14
Sale price
$254.14
Insulguard Eco-builder Pointbond SBPP Insulation Rolls (All Sizes)
Insulguard Eco-builder Pointbond SBPP Insulation Rolls (All Sizes)
Vendor
Insulguard
Insulguard Eco-builder Pointbond SBPP Insulation Rolls (All Sizes)
Regular price
$0.00
Sale price
$0.00
Knauf Ecobatt R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-38 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$290.26
Sale price
$290.26
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)
Vendor
Knauf
Knauf Ecoroll R-19 Unfaced Fiberglass Insulation Roll 6.25 in x 15 in x 39.2 ft (6 Rolls)
Regular price
$205.85
Sale price
$205.85
Knauf Ecobatt R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-13 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$268.10
Sale price
$268.10
Knauf Ecobatt R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-13 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$248.44
Sale price
$248.44
Knauf Ecobatt R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-38 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$270.76
Sale price
$270.76
Knauf Ecobatt R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-30 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$307.15
Sale price
$307.15
Knauf Ecobatt R-30 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-30 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-30 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$313.45
Sale price
$313.45
Knauf Ecobatt R-15 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-15 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-15 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$439.07
Sale price
$439.07
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)
Vendor
Knauf
Knauf Ecoroll R-13 Unfaced Fiberglass Insulation Roll 3.5 in x 15 in x 62.7 ft (6 Rolls)
Regular price
$277.74
Sale price
$277.74
Ecobatt R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Ecobatt R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Ecobatt R-30 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$322.59
Sale price
$322.59
Ecobatt R-25 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Ecobatt R-25 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$325.87
Sale price
$325.87
Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$457.81
Sale price
$457.81
Owens Corning R-25 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-25 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$232.24
Sale price
$232.24
Owens Corning R-11 Unfaced Fiberglass Insulation Batts - All Sizes
Owens Corning R-11 Unfaced Fiberglass Insulation Batts - All Sizes
Vendor
Owens Corning
Owens Corning R-11 Unfaced Fiberglass Insulation Batts - All Sizes
Regular price
$318.62
Sale price
$318.62
Knauf Ecoroll R-13 Kraft Faced Fiberglass Insulation Roll - All sizes
Knauf Ecoroll R-13 Kraft Faced Fiberglass Insulation Roll - All sizes
Vendor
Knauf
Knauf Ecoroll R-13 Kraft Faced Fiberglass Insulation Roll - All sizes
Regular price
$299.83
Sale price
$299.83
Knauf Ecobatt R-11 Kraft Faced Fiberglass Insulation Batts - All Sizes
Knauf Ecobatt R-11 Kraft Faced Fiberglass Insulation Batts - All Sizes
Vendor
Knauf
Knauf Ecobatt R-11 Kraft Faced Fiberglass Insulation Batts - All Sizes
Regular price
$374.84
Sale price
$374.84
Single Bubble Reflective Foil Insulation Rolls - All Sizes
Single Bubble Reflective Foil Insulation Rolls - All Sizes
Vendor
Insulation4US
Single Bubble Reflective Foil Insulation Rolls - All Sizes
Regular price
$82.50
Sale price
$82.50

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.

Read More