---
title: "Waterproofing — $200K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/waterproofing"
last_updated: "2026-08-09T22:17:08.413Z"
locale: en
meta:
  description: "Niche score 55/100 · $200K/yr market · 63K searches/yr. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $200K/yr market · 63K searches/yr. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Waterproofing — $200K/yr Amazon US Niche (2026) - Flapen"
---

# **waterproofing**

**Worth a look**

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 39Growth 88Conversion 80Competition 10Returns 99Price range 94Avg price 95Brand share 4Review moat 22Quality gap 57

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$38.05**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.10–$77.00**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Great****+92.9%**

90-day search growth — must beat 0% to launch

**Conversion**

**Great****8.4%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$200K**

$200K/yr · 63K searches

**Review moat**

**Bad****9,026.73**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****88%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, waterproofing is a $200K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan. Verdict: Worth a look — 55/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **waterproofing market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$152K–$190K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#61**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**62 months**</dd>

<dt>**Avg seller age**</dt><dd>**163 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▲rising

**Sellers**

**98**

**Top-5 brand share**

**98%**

Top 20: 100%

**Top-5 click share**

**88%**

Top 20: 100%

**Open market**

**0%**

- STAR BRITE87% - 303 Products6% - Better Boat2% - Scotchgard2% - Nikwax2% - GORILLA2%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +92.9% search growth over the last 90 days.

13K8KHoliday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/us/health-household/waterproofing/trend)

## **Top waterproofing search terms**

- **waterproofing**21K/yr+10.6%1.1% conv. - **starbrite waterproofing**11K/yr+196.5%12.2% conv. - **boat canvas waterproofing**6K/yr+378.7%5.8% conv. - **star brite waterproofing**6K/yr+199.6%12.8% conv. - **starbright waterproofing**3K/yr+238.2%11.7% conv. - **boat cover waterproofing spray**3K/yr+258.7%10.0% conv. - **impermeabilizante**5K/yr-0.6%0.0% conv. - **water proofing**4K/yr+14.9%2.3% conv. - **canvas waterproofing treatment**4K/yr+34.8%7.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/waterproofing/search-terms)

## **Top waterproofing products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$20K20%$40K30%$60K40%$80K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)](https://m.media-amazon.com/images/I/41UOx2i2JIL.jpg)**STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)**STAR BRITE**$47.96**4.4★12,747 rev](https://www.amazon.com/dp/B0897XZ5B8) [2![Star brite Waterproofing Spray Waterproofing + Stain Repellent + UV Protection 128 oz](https://m.media-amazon.com/images/I/41izPeDLfRL.jpg)**Star brite Waterproofing Spray Waterproofing + Stain Repellent + UV Protection 128 oz**STAR BRITE**$53.11**4.4★12,747 rev](https://www.amazon.com/dp/B0000AY4RE) [3![STAR BRITE Waterproofing Spray Waterproofer + Stain Repellent + UV Protection 22 oz](https://m.media-amazon.com/images/I/31+7VAwDryL.jpg)**STAR BRITE Waterproofing Spray Waterproofer + Stain Repellent + UV Protection 22 oz**STAR BRITE**$24.05**4.4★12,747 rev](https://www.amazon.com/dp/B00EXIVVUI) [4![STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)](https://m.media-amazon.com/images/I/412vbJ+3oML.jpg)**STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)**STAR BRITE**$54.19**4.4★717 rev](https://www.amazon.com/dp/B084J1K93V) [5![303 Marine Fabric Guard for Boat Covers & Canvas 1 Gallon](https://m.media-amazon.com/images/I/41pLz-++6fS.jpg)**303 Marine Fabric Guard for Boat Covers & Canvas 1 Gallon**303 Products**$77.00**4.5★5,375 rev](https://www.amazon.com/dp/B0000AY1W7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Better Boat Waterproofing Spray for Fabric 1 Gallon Heavy Duty Water Proof Spray for Outdoor Canvas Jackets Tents Clothing and Boots Water Repellent Protector](https://m.media-amazon.com/images/I/41k0rjpkmwL.jpg)**Better Boat Waterproofing Spray for Fabric 1 Gallon Heavy Duty Water Proof Spray for Outdoor Canvas Jackets Tents Clothing and Boots Water Repellent Protector**Better Boat**$52.05**1,154 rev1y ago](https://www.amazon.com/dp/B0D4F7NSZ7) [![Gorilla Waterproofing Spray Clear Flexible Rubberized Sealant Coating Paintable UV Resistant Seals Water Air Moisture 14 oz (Pack of 1) for Roofs Gutters Skylights RVs Windows & More](https://m.media-amazon.com/images/I/41IIUlScUKL.jpg)**Gorilla Waterproofing Spray Clear Flexible Rubberized Sealant Coating Paintable UV Resistant Seals Water Air Moisture 14 oz (Pack of 1) for Roofs Gutters Skylights RVs Windows & More**GORILLA**$14.10**13,264 rev5y ago](https://www.amazon.com/dp/B08QSKYTBB) [![STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)](https://m.media-amazon.com/images/I/41UOx2i2JIL.jpg)**STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)**STAR BRITE**$47.96**12,747 rev5y ago](https://www.amazon.com/dp/B0897XZ5B8) [![STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)](https://m.media-amazon.com/images/I/412vbJ+3oML.jpg)**STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)**STAR BRITE**$54.19**717 rev6y ago](https://www.amazon.com/dp/B084J1K93V) [![STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 22 OZ (082222)](https://m.media-amazon.com/images/I/41VrX6ploaL.jpg)**STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 22 OZ (082222)**STAR BRITE**$26.04**717 rev6y ago](https://www.amazon.com/dp/B084J1DLTG)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Gorilla Waterproofing Spray Clear Flexible Rubberized Sealant Coating Paintable UV Resistant Seals Water Air Moisture 14 oz (Pack of 1) for Roofs Gutters Skylights RVs Windows & More](https://m.media-amazon.com/images/I/41IIUlScUKL.jpg)**Gorilla Waterproofing Spray Clear Flexible Rubberized Sealant Coating Paintable UV Resistant Seals Water Air Moisture 14 oz (Pack of 1) for Roofs Gutters Skylights RVs Windows & More**GORILLA**$14.10**4.3★**▲ 34%**](https://www.amazon.com/dp/B08QSKYTBB) [![STAR BRITE Waterproofing Spray Waterproofer + Stain Repellent + UV Protection 22 oz](https://m.media-amazon.com/images/I/31+7VAwDryL.jpg)**STAR BRITE Waterproofing Spray Waterproofer + Stain Repellent + UV Protection 22 oz**STAR BRITE**$24.05**4.4★**▲ 31%**](https://www.amazon.com/dp/B00EXIVVUI) [![J.P. PRODUCTS L.C. High Tech Fabric Guard 32oz.](https://m.media-amazon.com/images/I/41Vv2BhxBCS.jpg)**J.P. PRODUCTS L.C. High Tech Fabric Guard 32oz.**303 Products**$27.05**4.5★**▲ 23%**](https://www.amazon.com/dp/B000221H08) [![STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)](https://m.media-amazon.com/images/I/41UOx2i2JIL.jpg)**STAR BRITE Waterproofing Spray - Marine Grade Protection for Boat Covers Bimini Tops Tents Jackets Backpacks Boots Awnings Patio Covers & More - 64 OZ with Sprayer (081964)**STAR BRITE**$47.96**4.4★**— 10%**](https://www.amazon.com/dp/B0897XZ5B8) [![Better Boat Waterproofing Spray for Fabric 1 Gallon Heavy Duty Water Proof Spray for Outdoor Canvas Jackets Tents Clothing and Boots Water Repellent Protector](https://m.media-amazon.com/images/I/41k0rjpkmwL.jpg)**Better Boat Waterproofing Spray for Fabric 1 Gallon Heavy Duty Water Proof Spray for Outdoor Canvas Jackets Tents Clothing and Boots Water Repellent Protector**Better Boat**$52.05**4.1★**— 4%**](https://www.amazon.com/dp/B0D4F7NSZ7)

**~~View all trending →~~**

## **What buyers say about waterproofing**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Water Resistance**17%

*“Seriously waterproof”*

**Efficiency**14%

*“Works effectively and quickly”*

**Quality-Overall**14%

*“Great company with great products”*

**Value For Money**7%

*“Saves money”*

**Ease Of Use**7%

*“Easy to use”*

**Advertised Vs Actual Product**5%

*“Just as advertised”*

**Moist/Dry**3%

*“It dries quickly and doesnt leave residue, which is nice,”*

**Ease Of Cleaning**3%

*“Cleans my snowboard gear great”*

**Spray/Flow**3%

*“Clear spray-on sealant”*

**Leak-Proof**3%

*“it has not leaked”*

### **What buyers complain about **

**Water Resistance**20%

*“It really didnt seem to have added any water resistance”*

**Leak-Proof**14%

*“well leaking as was before”*

**Functionality-Overall**13%

*“Doesn't Work Well”*

**Spray/Flow**8%

*“Can spray does not work”*

**Value For Money**7%

*“BUT THE PRICE HAS BECOME OUT OF LINE WITH THE RESULTS”*

**Smell**4%

*“As the product has a very strong chemical smell”*

**Quality-Overall**4%

*“Poor quality control”*

**Durability**3%

*“didnt last only about 2 weeks”*

**Moist/Dry**2%

*“Dried within a few hours each time”*

**Color**2%

*“They dont tell you that it can turn white things to a yellowish color”*

### **Top return reasons **

**Leak-Proof**26%

**Defective Material/Parts**16%

**Advertised Vs Actual Product**11%

**Value For Money**10%

**Water Resistance**10%

**Functionality-Overall**7%

**Size-Overall**7%

**Protection**2%

**Maintenance And Repair**2%

**Smell**2%

## **Common questions**

<dl>

<dt>**Is waterproofing profitable to sell on Amazon United States?**</dt><dd>The niche generates $200K/yr across 11 tracked products. 90-day search growth is +92.9%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the waterproofing niche?**</dt><dd>6 brands and 98 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 98% of demand.</dd>

<dt>**What do buyers complain about in waterproofing?**</dt><dd>Top complaints mined from reviews: Water Resistance, Leak-Proof, Functionality-Overall. The return rate is 0.3%.</dd>

<dt>**When does demand for waterproofing peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the waterproofing niche?**</dt><dd>Listings span $14.10–$77.00; the average listing price is $38.05 (sweet spot $15–$100). The average incumbent carries 9,027 reviews — the moat a new listing must climb.</dd>

</dl>

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