Best Thermwell Products Co Inc in 2026

Indoor Heavy Duty Film Window Insulation Kit

3 Pack

Size - 42 x 62 in.

【NO MORE GAPS】 - 2" Width x 39" Length, Fits Gaps up to 1 Inch. Self-adhesive door draft blocker for extra large gaps exterior/interior doors, garage, basement, bed, sofa and cabinet.

【SAVE MONEY and ENERGY】- In winter and summer, draft stopper prevent the leakage of air conditioning and heating, make your room more efficient in cooling or heating, save electricity and money.

【MULTIPLE PROTECTION】 - Guard against drafts, odors and noise; block out under-door light. Our door weather stripping makes your home feel more comfortable and warm without spending a ton of money.

SIZE OF THIS FOAM TAPE - 1/2 inch W x 1/8 inch T x 16.5 ft L x 3 rolls. You can cut the single-sided door weather stripping into any length you need by using a blade.

STRONG ADHESIVE - The door weather stripping adopts a stronger adhesive backing which ensures the foam tape can stay in place without falling off once applied.

GREEN MATERIAL - The high-density self-adhesive weather stripping is made from harmless CR foam and Neoprene. Excellent sealing quality, resistance to deformation feature, flame retardant, and can be used from -50℃ to 150℃.

This product adds a great value

Product is highly durable and very easy to use

Item length: 8.0 inches

This product adds a great value

Product is highly durable and very easy to use

This product is manufactured in China

Item Weight: 4.6 lb

Country of Origin: China

Brand name: Reflectix

Inhibits or eliminates condensation

Nontoxic/no carcinogenic

Does not require Protective clothing, goggles, or respirator

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

Weatherproofing tape

For interior use in sealing cracks around doors and windows

Moisture resistant

For use with 3M Window Insulator Kits

Works on many surfaces including painted wood, aluminum, and vinyl-clad molding

For indoor use

Scotch double sided tape holds firmly between films and surfaces

Saves energy and reduces heating costs

Reduces condensation and prevents frost buildup

Saves energy and reduces heating costs

Reduces condensation and prevents frost buildup

Quick and easy installation

PREMIUM OPEN CELL FOAM TAPE - Made from NBR+PVC foam material, the ac foam insulation is environment friendly, soft and toxic free, having superior weather resistance, great flame retardant, resistance to high/low temperature, good heat insulation, good sound absorption, can be used from -40℃ to 90℃

EASY TO USE - The air conditioner insulation foam can be placed on top of unit and lower window to compress seal for best insulation, which provides all season protection to seal in climate controlled air, seal out drafts and dust, reduces noise and vibration from the outside

ADJUSTABLE & FLEXIBLE - This package includes 2 pcs of 1 in x 1 in x 6.5 ft foam tape, total 13 feet long. The two rolls are packed together in one package. The air conditioner window foam is easy enough to customize and cut to size with scissors or blade, and bend easily and conform to any shape

EXTREMELY EFFECTIVE - reflect 95% of radiant energy, perfect RADIANT BARRIER.

VAPOR BARRIER -Unaffected by humidity and moisture, can be used indoor/outdoor.

SUPREME QUALITY - 3mm closed cell polyethylene FOAM ( not a cheap bubbles) sandwiched between highly reflective Engineered Foil on both sides. Easy to install, easy to cut and easy to clean, Strong but lightweight.

15" 1200ft Stretch Film with Handles -- We offer a versatile stretch film that can be used for moving, storage, and protecting any of your household items. A true 1200' length, just weigh it and compare.

TWO Handles per roll! ECO Rolls with lower gauge and more plastic on the same weight!

Up to 500% Stretch Ability -- Superior stretch, easy to unwrap, sticks to itself for a perfect seal. The more you stretch, the more adhesive is activated.

EXTREMELY EFFECTIVE - Reflect 97% of radiant energy, perfect RADIANT BARRIER. R-value up to 15.67 ( with one layer), up to 21.10 ( with two layers).

VAPOR BARRIER - prevents condensation, unaffected by humidity and moisture.

SOUND BARRIER - excellent sound deadener material.

Window Insulation Kit includes 1 roll of Max Strength shrink film and window kit tape

Easy to use roll of shrink film means no measuring needed - once applied, cut film to size

For best results use on clean and dry surfaces, including painted or finished wood, aluminum or vinyl

Lowers utility bills year round. This commercial grade highly reflective radiant barrier attic foil BLOCKs 95% of radiant heat gain and loss & keeps your home's temperature consistent

DIY install by stapling to the underside of attic roof rafters with staple gun. Don't forget to also install on all vertical exterior walls in attic (gable walls) to get complete coverage between indoor attic area and outdoors.

Industrialized strength perforated radiant barrier attic insulation is tear and puncture proof. Entire roll cuts easily with utility scissors or hack saw.

EXTREMELY EFFECTIVE - Reflects 95% of radiant energy, perfect RADIANT BARRIER. R-value up to 15.67 ( with one layer), up to 21.10 ( with two layers).

VAPOR BARRIER - prevents condensation, unaffected by humidity and moisture.

MEETS OR EXCEEDS ALL ASTM C1313 STANDARDS - Class A Fire Rating (E84 with E2599 mounting). Corrosion resistance according to D3310 is achieved by a proprietary clear coating applied to the Engineered Foil surface.

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

Industrial-grade transparent weather sealing tape that delivers airtight sealing on drafty windows. Sticks strongly while being residue-free, removable and surface-safe.

Pressure-sensitive window sealing tape adhesive prevents cold drafts that are as cold as -20°C from permeating into your home.

Residue-free frost tape adhesive is wood-safe, surface-safe and will not leave a residue nor lift the paint off from your windows upon removal on Springtime.

Reduce your energy costs by insulating your windows

Crystal clear film heat shrinks to seal out drafts and cold

Contains 62 x 210" of crystal clear film and 1/2-inch by 84-feet (1080") roll of double-sided tape

Reduce your energy costs by insulating your patio door or large window

Crystal clear film heat shrinks to seal out drafts and cold

Contains 84 x 120" of crystal clear film and 1/2-inch by 36-feet (432") roll of double-sided tape

This Kit Includes: 4 rolls of 2ft x 18ft White/Foil Foam Core Insulation, Heavy Duty Double Sided Tape, Razor, Squeegee, Easy Instructions

Made in the USA / Ships form USA / Meets all US and Intl Fire Codes

〔2 Rolls Weather Stripping Door Seal Strip〕- Includes 2 rolls of 1/2 in x 1/2 in x 6.5 ft weather stripping door seal strip, total 13 ft length. The foam weather stripping is easy to use and cut to what size you need.

〔Unique Grid Adhesive Door Weather Stripping〕- Strong adhesive backing, waterproof and non-degumming, stick firmly. Provides a perfect air-tight seal, soundproof, heat insulation, weatherproof, oil resistance, resistant to corrosion, dustproof, shock-absorbing, buffering, sealing, flame retardant, anti-skidding, and insulating. This weather stripping is absolutely omnipotent.

〔Closed Cell Foam Seal Tape〕- The rubber foam tape is environmentally friendly, soft and toxic-free, having superior weather resistance, great flame retardant, resistance to high/low temperature, good heat insulation. This weather stripping can be used from -58℉ to 300℉.

Easy-to-use roll of shrink film means no measuring needed - once applied, cut film to size

For best results use on clean and dry surfaces, including painted or finished wood, aluminum or vinyl

Tools needed: scissors and hair dryer

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

EXTREMELY EFFECTIVE - reflect 97% of radiant energy, perfect RADIANT BARRIER.

VAPOR BARRIER - Unaffected by humidity and moisture, can be used outdoor/indoor.

SOUND BARRIER - excellent soundproofing material.