Which is better for a garage or shed?

The EcoFoil double bubble roll is the cheaper fit for a garage or shed at $17.76 at eBay as of November 6, 2026. Reflectix is the better pick if you need a stated R-value and fire rating.

Which one has a real R-value?

Only Reflectix publishes one: R-3.7 to R-21 depending on how it is installed. EcoFoil does not list an R-value for this roll.

Is the Reflectix roll worth the extra money?

Yes if you need the Class A fire rating, the 67 sq. ft. coverage, or a documented R-value for walls or an attic. For a quick barrier in a shed or RV, the EcoFoil roll does the job for far less.

How much area does each roll cover?

Reflectix covers 67 sq. ft. from a 16 in. x 50 ft. roll. EcoFoil does not state coverage for its 25 ft. roll, so measure before you buy.

Do both stop condensation?

Both are marketed as limiting condensation. EcoFoil forms a vapor barrier only when you seal the seams with insulation tape. Reflectix is sold as vapor retardant.

Which is easier to install?

Reflectix comes in a fixed 16 in. width, which suits stud and joist bays. EcoFoil's wider roll covers more per pass but needs taped seams to act as a vapor barrier.

EcoFoil Double Bubble Insulation Roll 25 Feet vs Reflectix Reflective Radiant Barrier Roll

Buy the EcoFoil Double Bubble roll if you want a cheap, wide, double-bubble barrier for a garage, shed, or RV and can tape the seams yourself. Buy the Reflectix 16 in. x 50 ft. roll if you need a narrow foil strip with a stated R-value range and a Class A fire rating for walls or attic work. On November 6, 2026, the EcoFoil roll is $17.76 at eBay, while the Reflectix roll is $51.75 at Amazon. That is a big gap, but the two rolls differ in width, length, and stated performance.

Today the EcoFoil Double Bubble Insulation Roll 25 Feet costs $6.75 less at its best price.

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