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JOAPRIL Butyl Adhesive Tape 2x50'

Curated from 64 real Reddit conversations

Refreshed on: April 7, 2025

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JOAPRIL Butyl Adhesive Tape 2x50'

Brand: JOAPRIL
Price: $85
Snoop Score:
6.5
Sentiment
6.5
Popularity
7.0
Technical
6.3
Buy on Amazon for $85See All Butyl Tape Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The JOAPRIL Butyl Adhesive Tape is designed to provide exceptional protection for decking applications, diverting water away from joists and beams to prevent rotting and structural damage. Customers have praised its effectiveness in keeping joists dry even in wet conditions, with one user noting, "So having this on top of my joist keeps water every morning from touching my joist." However, some have pointed out that it can be challenging to work with, especially in high areas, leading to mixed feelings about its ease of application. Overall, the product is recommended for those seeking reliable waterproofing solutions for their decking needs, but users should be prepared for potential application difficulties.

Not for you? Check out our other rated Butyl Tape

Joist tape…overkill or worth it?

Positive Feedback

That butyl tape will make you hate life when you go to patch it in the spring.

Negative Feedback
Product
6.5
JOAPRIL Butyl Adhesive Tape 2x50'
Buy on Amazon for $85
RV and Trailer Sealing
6 / 10
Automotive Repairs
6 / 10
Marine Applications
6 / 10
Construction and Home Improvement
6 / 10
See how this compares to all Butyl Tape

What it does well!

Key strengths users can’t stop talking about.
Adds protection to deck longevity
“Joist tape…overkill or worth it?”➕
“Yup. Doesn't have to be overkill OR worth it, can be both.”➕
“Even if it is overkill it doesn't add much to the overall cost of a deck and it can hurt.”➕
Keeps joists dry in wet conditions
“So having this on top of my joist keeps water every morning from touching my joist and then the regular heat of the day evaporates it.”➕
Effective temporary fix for leaks
“It stopped the leak and was WAY easier to use underwater than the putty goop.”➕
“The tape fix is good.”➕
Tape is quicker and safer than liquid solutions
“Tell me why I shouldn’t just roll on a coat of rubberized sealant versus tape?”➕
“Tape is quicker, easier and safer.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Butyl tape is difficult to work with
“That butyl tape will make you hate life when you go to patch it in the spring.”➕
Butyl tape can trap moisture
“cos your adding a membrane that will delamination over time and get trapped moisture inside to fester.”➕
Not suitable for underwater use
“Not sure how long it will last but I'm sure it's not made for underwater use.”➕
Butyl tape is difficult to apply alone, especially in high areas
“I don’t know if I would say tape is easier, it was difficult to apply by myself on a 14 foot high deck.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Crawl Space DIY Butyl Sealant TapeCrawl Space DIY Butyl Sealant Tape$39
9.8
DetailsBuy
Better Boat Butyl Tape, RV and Marine Window Seal KitBetter Boat Butyl Tape, RV and Marine Window Seal Kit$19
8.8
DetailsBuy
XFasten Butyl Sealing TapeXFasten Butyl Sealing Tape$15
8.7
DetailsBuy
Second Skin Butyl Sealant TapeSecond Skin Butyl Sealant Tape$23
8.4
DetailsBuy
TZGP Butyl Rubber Sealant TapeTZGP Butyl Rubber Sealant Tape$7
7.9
DetailsBuy
TAGLLY Butyl Sealant Tape - 13Ft Butyl Rubber SealantTAGLLY Butyl Sealant Tape - 13Ft Butyl Rubber Sealant$9
7.3
DetailsBuy
Rvhouse Butyl Tape White 1” x 30 FtRvhouse Butyl Tape White 1” x 30 Ft$13
7.2
DetailsBuy
XFasten Butyl Tape Black, 1/2 in x 30 ft x 1/8 inXFasten Butyl Tape Black, 1/2 in x 30 ft x 1/8 in$13
7.1
DetailsBuy
Hanotic Joist Tape for DeckingHanotic Joist Tape for Decking$48
7.0
DetailsBuy
JOAPRIL Butyl Adhesive Tape 2x50'JOAPRIL Butyl Adhesive Tape 2x50'$85
6.5
DetailsBuy
Dicor BT-1834-1 Butyl Seal TapeDicor BT-1834-1 Butyl Seal Tape$13
5.6
DetailsBuy
ZOOFOX 2 Pack Butyl Seal TapeZOOFOX 2 Pack Butyl Seal Tape$19
5.3
DetailsBuy
GSSI Sealants Butyl Tape 1/8" x 1" x 100'GSSI Sealants Butyl Tape 1/8" x 1" x 100'$34
5.3
DetailsBuy
ELK Butyl Seal Tape - 1 Inch x 50 FeetELK Butyl Seal Tape - 1 Inch x 50 Feet$29
5.1
DetailsBuy
YankMooM Butyl Tape - Waterproof Sealant TapeYankMooM Butyl Tape - Waterproof Sealant Tape$7
5.0
DetailsBuy
Akexermu Butyl Sealant TapeAkexermu Butyl Sealant Tape$12
4.4
DetailsBuy
ATack Black Butyl Seal TapeATack Black Butyl Seal Tape$13
4.4
DetailsBuy
Typar Butyl Flashing Tape - 4" W x 75' LTypar Butyl Flashing Tape - 4" W x 75' L$25
4.0
DetailsBuy
Stacool 13FT Car Headlight Sealant Butyl TapeStacool 13FT Car Headlight Sealant Butyl Tape$8
3.1
DetailsBuy
Oleitodh 4 Rolls Butyl Sealant TapeOleitodh 4 Rolls Butyl Sealant Tape$32
3.0
DetailsBuy
LLPT Butyl Tape White 1 Inch x 33FtLLPT Butyl Tape White 1 Inch x 33Ft$13
2.5
DetailsBuy
TAPEBEAR Butyl Tape Waterproof Sealing TapeTAPEBEAR Butyl Tape Waterproof Sealing Tape$19
1.0
DetailsBuy
Kohree Butyl Sealant TapeKohree Butyl Sealant Tape$12
0.8
DetailsBuy
Greatshoot Butyl Tape Waterproof Sealing TapeGreatshoot Butyl Tape Waterproof Sealing Tape$6
0.5
DetailsBuy

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Debate on the effectiveness of flex tape for various applications
“I'm sure there were better ways to fix both of those, but they would have cost a lot more than $10 worth of tape.”➕
“If you feel unsafe using the adhesives, hire a plumber and have him do copper piping replacements.”➕
Humorous comments on inappropriate uses of flex tape
“Flex taped my butt shut”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Homeowners may prefer alternative solutions for temporary patches
“if you do want a temporary fix, I'd use Zip Tape over something like butyl tape.”➕
Patching can be done in winter if conditions are right
“With a clean dry area you could patch it correctly.”➕
“I've heard some argue that it traps moisture and actually inhibits rot, but I just can't see this being the case.”➕
Discussion on removing adhesive residue
“I’ve tried scratching it off, goo gone, nothing is getting it to remove.”➕
“Oils generally break down adhesive residue.”➕
“In the oil patch (Northern Alberta, Canada) Baby oil is more coveted than Illicit drugs - no joke.”➕
“You got tape residue on your peener and it came off when you masturbated.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Variation in effectiveness based on environmental conditions
“the ones that were have at least another decade in them.”➕
“In my non-professional opinion, it depends on location (both climate and setting).”➕
“Pretty sure most bitumen based paints are not UV stable.”➕
Debate on necessity based on deck conditions and location
“Just wondering what the pros are doing or is this just a way for the big box stores to get more money from the do it yourselfer.”➕
“If you’re worrying about butyl then you’re probably going to be fine in the long run because you’re a smart feller.”➕
Debate on necessity based on deck conditions
“That alone is phenomenal, and increasingly helpful where leaves and debris get caught in between boards.”➕
“It’s been done in Australia for many, many years.”➕
Concerns about safety when using adhesive on potable water lines
“Flex tape makes me nervous around water piping because if your using it on your lines providing your drinking water you could be contaminating it with whatever is in that compound.”➕
“Just based on that answer I would avoid using it on piping for potable water.”➕
Flex tape can hold temporarily but isn't a permanent fix
“It’s not the perfect fix they advertise it as. But in a pinch it’ll get the job done.”➕
Difficulty in removing flex tape can complicate plumbing repairs
“I wouldn't recommend it unless you where 110% sure it's going to fix the leak.”➕

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