10 Best Insulation For Crawl Spaces 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 186 products, scanning 930 reviews, spending more than 36 hours of research and speaking with our test users, we think the US Energy Products 400sqft (48" x 100') Double Bubble Reflective is the one of the Best Insulation For Crawl Space on the market.

# Image Name Brand Price
1
⭐Best Choice
US Energy Products 400sqft (48" x 100') Double Bubble Reflective
US Energy Products 400sqft (48" x 100') Double Bubble Reflective Foil Insulation Thermal Barrier R8 Vapor Barrier Residential Commercial Check price US Energy Products $$$$$ Check price
2
Best under $100
SmartSHIELD
SmartSHIELD -3mm 48"x50Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade (48"x50') Check price Insulation Market Place LLC $$$$$ Check price
3 US Energy Products 48" x 100' White Double Bubble Reflective US Energy Products 48" x 100' White Double Bubble Reflective Foil Insulation Thermal Barrier R8 Check price US Energy Products $$$$$ Check price
4 1000 sqft (4x250) Solid White Vapor Barrier Attic Foil White 1000 sqft (4x250) Solid White Vapor Barrier Attic Foil White Radiant Barrier Reflective Solid Insulation 4x250ft Non Perforated Woven Polyethylene Scrim Heavy Duty Check price US Energy Products $$$$$ Check price
5
💲Best value for the money
Double Bubble Reflective Foil Insulation: (48 in X 10 Ft
Double Bubble Reflective Foil Insulation: (48 in X 10 Ft Roll) Industrial Strength, Commercial Grade, No Tear, Radiant Barrier Wrap for Weatherproofing Attics, Windows, Garages, RV's, Ducts & More! ... Check price US Energy Products $$$$$ Check price
6 White Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq White Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq ft roll | 48-inch X 125-feet) Bubble Insulation for Metal Building, Pole Barn, Crawlspace & More by RadiantGUARD Check price RadiantGUARD $$$$$ Check price
7
Best under $50
Reflectix BP24050 24-Inch-by-50-Foot Bubble Pack Insulation
Reflectix BP24050 24-Inch-by-50-Foot Bubble Pack Insulation Check price Reflectix $$$$$ Check price
8 400sqft Double Bubble Reflective Foil Insulation (4 X 100 Ft 400sqft Double Bubble Reflective Foil Insulation (4 X 100 Ft Roll) Industrial Strength, Commercial Grade, No Tear, Radiant Barrier Wrap (Weatherproofing Attics Windows Garages RV's Ducts & More) Check price US Energy Products $$$$$ Check price
9
👑Premium Pick
Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq ft
Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq ft roll | 48-inch X 125-feet) Bubble Insulation for Metal Building, Pole Barn, Basement, Crawlspace & More by RadiantGUARD Check price RadiantGUARD $$$$$ Check price
10 The Visual Handbook of Building and Remodeling The Visual Handbook of Building and Remodeling Check price Taunton Press $$$$$ Check price

US Energy Products 400sqft (48" x 100') Double Bubble Reflective – Best Overall Insulation For Crawl Space

US Energy Products 400sqft (48" x 100') Double Bubble Reflective
  • Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599.
  • Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass. Simply staple, nail or glue into place! No mess, and no itchy fibers!
  • Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote nesting of insects or rodents.
  • Saves energy by reducing the stress on heating and cooling systems, keeping your home warmer in the winter, and cooler in the summer. It can reduce utility bills substantially all year round.
  • Made in USA / Ships from USA / Meets all International and USA Fire Codes / Nominal thickness is 1/4 inch R8-24

SmartSHIELD – Best under $100

SmartSHIELD
  • EXTREMELY EFFECTIVE - reflect 97% of radiant energy, perfect RADIANT BARRIER.
  • VAPOR BARRIER -Unaffected by humidity and moisture, mold resistant , can be used outdoor/indoor.
  • SOUND BARRIER - excellent soundproofing material.
  • SUPREME QUALITY - 3mm closed cell polyethylene FOAM (not a bubbles) sandwiched between PURE ALUMINUM (not a polyester film) on both sides. Easy to install, easy to cut and easy to clean, Strong but lightweight.
  • FIRE RATE - Fire rate Class 1 / Class A, NON TOXIC - will not irritate skin, eye or throat. Non allergic.

US Energy Products 48" x 100' White Double Bubble Reflective

US Energy Products 48" x 100' White Double Bubble Reflective
  • 4ft x 100ft White Double Bubble
  • Class 1 / Class A Fire Rated ASTM Certified
  • Made In USA / Super Fast Shipping / Ships Same Day
  • SAFETY: Non-toxic, non-carcinogenic, fiber-free, and does not support growth of mold, mildew or insects or rodents.

1000 sqft (4x250) Solid White Vapor Barrier Attic Foil White

1000 sqft (4x250) Solid White Vapor Barrier Attic Foil White
  • 4ft x 250 ft SOLID White Faced / Foil Faced Radiant Barrier
  • Water Proof / Heavy Duty Scrim
  • Meets all ASTM Fire Codes
  • Class 1 Class A Fire Rating
  • Made in the USA

Double Bubble Reflective Foil Insulation: (48 in X 10 Ft – Best Budget Insulation For Crawl Space

Double Bubble Reflective Foil Insulation: (48 in X 10 Ft
  • Two layers of Polyethylene Industrialized Air Bubbles (Poly-Air) bonded between two layers of Highly Reflective Metalized Aluminum Polyester Film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599.
  • Non-toxic, Non-carcinogenic, Fiber Glass Free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors. Simply staple, nail or glue into place! No mess, and no itchy fibers!
  • Water Proof: Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote nesting of insects or rodents.
  • Saves energy by reducing the stress on heating and cooling systems, keeping your home warmer in the winter, and cooler in the summer. It can reduce utility bills substantially all year round.
  • Made in USA / Ships from USA / Meets all Intl and USA Fire Codes

White Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq

White Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq
  • INTENDED USE: Insulating metal buildings, storage sheds, pole barns, and radiant floor heating.
  • SIZE: 500 square feet roll (48 inch wide by 125 linear feet). THICKNESS: 5/16 inch nominal. WEIGHT: 32 pounds. Puncture / Tear resistant. Will not compress or disintegrate.
  • CLEAN INSULATION: Non-toxic, non-carcinogenic, fiber free and does not promote growth of mold, mildew or fungus or provide nutritive value.
  • REDUCES condensation and BLOCKS radiant heat with high thermal R-Values.
  • FIRE RATING: Class A / Class 1 - Meets fire and smoke requirements for most local, state and federal building codes

Reflectix BP24050 24-Inch-by-50-Foot Bubble Pack Insulation – Best under $50

Reflectix BP24050 24-Inch-by-50-Foot Bubble Pack Insulation
  • This product adds a great value
  • Product is highly durable and easy to use
  • This product is manufactured in China

400sqft Double Bubble Reflective Foil Insulation (4 X 100 Ft

400sqft Double Bubble Reflective Foil Insulation (4 X 100 Ft
  • The product consists of two 96% reflective layers of film bonded to two internal layers of heavy gauge polyethylene bubbles (total nominal thickness 5/16").
  • Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass. Simply staple, nail or glue into place! No mess, and no itchy fibers!
  • Not affected by moisture or humidity. Inhibits condensation and does not promote the growth of fungi, mold or mildew. Does not promote nesting of insects or rodents.
  • Saves energy by reducing the stress on heating and cooling systems, keeping your home warmer in the winter, and cooler in the summer. It can reduce utility bills substantially all year round.
  • Made in USA / Shipped Super Fast

Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq ft – Premium Pick

Double Bubble Reflective Foil Insulation Thermal Barrier (500 sq ft
  • INTENDED USE: Insulating metal buildings, storage sheds, pole barns, and radiant floor heating.
  • SIZE: 500 square feet roll (48 inch wide by 125 linear feet). THICKNESS: 5/16 inch nominal. WEIGHT: 38 pounds. Puncture / Tear resistant. Will not compress or disintegrate.
  • CLEAN INSULATION: Non-toxic, non-carcinogenic, fiber free and does not promote growth of mold, mildew or fungus or provide nutritive value.
  • REDUCES condensation and BLOCKS radiant heat with high thermal R-Values.
  • FIRE RATING: Class A / Class 1 - Meets fire and smoke requirements for most local, state and federal building codes

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