PURTERIA Vapor Barrier Tape, 9 Mil, 3.6 in x 180 ft, 2 Rolls

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Product guide

PURTERIA Vapor Barrier Tape, 9 Mil, 3.6 in x 180 ft, 2 Rolls

Rolls: PURTERIA Vapor Barrier Tape is a two-roll polyethylene seam tape listed at 9 mil thick and 3.6 inches wide by 180 feet long per roll. It is described for sealing plastic liners and underlayment, with a release liner intended to make peeling easier. Customer feedback is positive on ease of use but divided on adhesion, so performance on the intended surface is an important consideration.

At a glance

Two rolls are listed, each sized 3.6 inches by 180 feet and 9 mil thick.
The listing describes white polyethylene tape with a single-sided adhesive and a release liner.
Suggested uses include seaming plastic liners for crawl-space moisture barriers and sealing underlayment or insulation.

Price

$43.97Save 23%

Reference price: ~~$56.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The 3.6-inch width and 180-foot roll length suit long seams and liner repairs.
A release liner is described as helping the tape peel away from its backing.
The listing specifies waterproofing and weather resistance.

Technical specifications

15 specifications

Identity and size
Brand	PURTERIA
Roll size	3.6" x 180' x 9 mil
Thickness	9 mils
Weight listed	4.6 pounds
Color	white
Items listed	2

Materials and protection
Material listed	Polyethylene
Water resistance listed	Waterproof
Resistance listed	waterproof, weather-resistant
Adhesive	single-sided
Upper temperature rating	90 °F

Use and application
Recommended uses	Outdoor, Painting, Wall, Packaging, Sealing
Surface recommendation	Plastic
Compatible material	Metal
Adhesive format	Wide Roll

What to know before buying

Listing details to confirm

The listing gives an operating range of -40℃ to 90℃ in its feature text, while the details section lists an upper temperature rating of 90 °F. These temperature specifications use different units and are not fully reconciled. It also describes uses across plastic, metal, and other applications while the surface recommendation specifically says Plastic. Confirm the intended surface and temperature requirements before use. Do not overlap the tape with itself, and store below 40°C, below 70% RH, in a ventilated place away from direct sunlight.

What’s in the box

Included

Vapor barrier tape (2 rolls)

Who is it for?

A good fit for

Buyers sealing seams in plastic liners, crawl-space barriers, or underlayment who want two long rolls.
DIY users needing a wide, single-sided tape for repair, packaging, or outdoor masking applications listed by the manufacturer.

Less suited to

Buyers who need confirmed adhesion on a particular liner or substrate, given the mixed customer feedback.
Projects requiring a verified operating-temperature specification beyond the listing's stated details.

PURTERIA Vapor Barrier Tape, 9 Mil, 3.6 in x 180 ft, 2 Rolls · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 165 ratings

5 stars75%75%
4 stars12%12%
3 stars5%5%
2 stars3%3%
1 star5%5%

Customer feedback highlights perceived quality and ease of use, while reports about adhesion range from strong bonding to difficulty sticking to vapor barrier material. Opinions on value are also divided. For buyers joining plastic liners, those mixed adhesion reports matter because a successful seam depends on the actual surface and application, despite the listing's waterproof claim. Aggregate ratings are generally favorable but include lower-star ratings, and they do not establish how the tape will perform in a specific installation.

Positive themes

Customers describe the tape as high quality and easy to use.

Mixed feedback

Adhesion feedback is mixed, including reports of both strong sticking and poor sticking to vapor barrier material.
Customer opinions on value for money are divided.

Frequently asked questions

How many rolls are included?

The listing states two items, and the contents list names vapor barrier tape x2.

What are the listed roll dimensions?

The listed size is 3.6 inches wide by 180 feet long, with a thickness of 9 mil.

What surfaces is the tape intended for?

The listing recommends plastic and also names applications involving metal, but customer feedback reports mixed adhesion on vapor barriers. Confirm suitability for the specific surface.

Can the tape overlap itself?

The listing advises against overlapping the tape with itself because it has a release liner.