Leak Stopper Rubber Flexx – Waterproof Repair & Sealant Spray - Point & Spray to Seal Cracks, Holes, Leaks, Corrosion & More | Black – 1 Bottle 18oz

Leak Stopper Rubber Flexx – Waterproof Repair & Sealant...

ASIN: B00APL6TBICOMMar 3, 2026
100
Trust Score
Excellent
PASS

Good for: Shoppers who want a reliable, well-reviewed product

Watch out for: No major red flags detected

Last analyzed: March 2026

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Total Reviews

2,051

On Amazon

Verified

100%

Good

a

Amazon Rating

4.3

Original rating

S

Savinoo Rating

4.1

Adjusted rating

Our Recommendation

RECOMMENDED

SAFE TO TRUST - Reviews appear authentic and reliable for making purchase decisions.

Analysis Summary

  • LOW RISK (Score: 100/100) Leak Stopper Rubber Flexx – Waterproof Repair & Sealant...'s reviews appear mostly authentic. Positive Indicators: 100% of reviews are from verified purchases, which is good..

Customer Reviews from Amazon

Most Helpful Review

Verified

"Confused who's lying flex seal says 14oz Rubber Flex says 18oz are they just saying more oz so we buy it ? Exact same size can hmmm"

whittierite
4 found helpful
Verified

patrick allison

This rubber based sealer works perfectly for sealing deck support rails to accept the deck…

This rubber based sealer works perfectly for sealing deck support rails to accept the deck planks.
Verified

dennis

Work's geat

Verified

koopa

Easy to use, great value for the price.

Verified

matthew berry

Excellent product!

Verified

tpr

Great stuff

Verified

kenny acord

Works great

What Customers Talk About

Commonly Praised

sealstuffworkeddoesflexflex sealrubberdeck

Commonly Complained

roofcansspraywastedidnstopleakleaks

Review Quality Analysis

Review quality helps identify authentic customer feedback. Longer, detailed reviews (50+ words) typically indicate genuine experiences, while high percentages of short reviews (under 20 words) may suggest incentivized or fake feedback.

Average Words

26

⚠ Brief reviews

Long Reviews

0%

⚠ Low detail

Short Reviews

27%

✓ Low brief reviews

Review Length Distribution

Authentic vs Brief Reviews

Average Word Count Gauge

Benchmark: 30 words = moderate, 50+ words = detailed & authentic

26

avg. words per review

Detailed (50+)
Moderate (30–49)
Brief (<30) — Suspicious

Interpretation: Review quality appears within normal range for this product category.

Review Velocity

Review velocity tracks how quickly reviews are posted. Steady, gradual accumulation is natural, while sudden spikes or bursts (20+ reviews in a single day) may indicate incentivized campaigns or coordinated activity.

Average Per Day

0.03

Natural pace

Max in One Day

1

Normal range

Steady Velocity Detected

Reviews posted at a consistent, natural pace over time — typical of organic customer feedback.

Rating Breakdown

This chart shows how customers rated Leak Stopper Rubber Flexx – Waterproof Repair & Sealant.... Products with authentic reviews typically show a bell curve with most ratings in the 3–4 star range. A heavily polarized distribution — many 5★ and 1★ with few middle ratings — can be worth investigating further.

5
64%
1,313
4
17%
349
3
185
2
82
1
123

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Our analysis is based on 2,051 reviews.

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