Is waterproofing profitable to sell on Amazon United States?

The niche generates $200K/yr across 11 tracked products. 90-day search growth is +92.9%. Flapen's verdict: Worth a look (55/100).

How competitive is the waterproofing niche?

6 brands and 98 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in waterproofing?

Top complaints mined from reviews: Water Resistance, Leak-Proof, Functionality-Overall. The return rate is 0.3%.

When does demand for waterproofing peak?

Demand peaks in Jan; the busiest month runs 2.0× the quietest.

What does it cost to enter the waterproofing niche?

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.

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.

Returns

Incredible0.3%

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

Great8.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay$200K

$200K/yr · 63K searches

Review moat

Bad9,026.73

avg incumbent reviews — the moat a new listing must climb

Competition

Bad88%

top-5 click share — a locked-up shelf

Brand share

Bad98%

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

waterproofing market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $152K–$190K; units × avg price
Conversion rate: 8.4%
Avg BSR: #61
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 62 months
Avg seller age: 163 days

Competition & brand share

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

Brands

6 rising

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

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.

Peak months: Jan · busiest ÷ quietest = 2.0×

Open Trend

Top waterproofing search terms

waterproofing21K/yr +10.6%1.1% conv.
starbrite waterproofing11K/yr +196.5%12.2% conv.
boat canvas waterproofing6K/yr +378.7%5.8% conv.
star brite waterproofing6K/yr +199.6%12.8% conv.
starbright waterproofing3K/yr +238.2%11.7% conv.
boat cover waterproofing spray3K/yr +258.7%10.0% conv.
impermeabilizante5K/yr -0.6%0.0% conv.
water proofing4K/yr +14.9%2.3% conv.
canvas waterproofing treatment4K/yr +34.8%7.6% conv.

All 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.

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

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$47.964.4★12,747 rev

Star brite Waterproofing Spray Waterproofing + Stain Repellent + UV Protection 128 oz

STAR BRITE$53.114.4★12,747 rev

STAR BRITE Waterproofing Spray Waterproofer + Stain Repellent + UV Protection 22 oz

STAR BRITE$24.054.4★12,747 rev

STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)

STAR BRITE$54.194.4★717 rev

303 Marine Fabric Guard for Boat Covers & Canvas 1 Gallon

303 Products$77.004.5★5,375 rev

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

Better Boat$52.051,154 rev

1y ago

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$14.1013,264 rev

5y ago

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$47.9612,747 rev

5y ago

STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 1 GAL (082200)

STAR BRITE$54.19717 rev

6y ago

STAR BRITE Water-Based Waterproofing & Fabric Protectant - Low Odor Waterproofer for All Materials- 22 OZ (082222)

STAR BRITE$26.04717 rev

6y ago

What buyers say about waterproofing

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

What buyers love

Water Resistance17%

“Seriously waterproof”

Efficiency14%

“Works effectively and quickly”

Quality-Overall14%

“Great company with great products”

Value For Money7%

“Saves money”

Ease Of Use7%

“Easy to use”

Advertised Vs Actual Product5%

“Just as advertised”

Moist/Dry3%

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

Ease Of Cleaning3%

“Cleans my snowboard gear great”

Spray/Flow3%

“Clear spray-on sealant”

Leak-Proof3%

“it has not leaked”

What buyers complain about

Water Resistance20%

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

Leak-Proof14%

“well leaking as was before”

Functionality-Overall13%

“Doesn't Work Well”

Spray/Flow8%

“Can spray does not work”

Value For Money7%

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

Smell4%

“As the product has a very strong chemical smell”

Quality-Overall4%

“Poor quality control”

Durability3%

“didnt last only about 2 weeks”

Moist/Dry2%

“Dried within a few hours each time”

Color2%

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

Top return reasons

Leak-Proof26%

Defective Material/Parts16%

Advertised Vs Actual Product11%

Value For Money10%

Water Resistance10%

Functionality-Overall7%

Size-Overall7%

Protection2%

Maintenance And Repair2%

Smell2%

Common questions

Is waterproofing profitable to sell on Amazon United States?: The niche generates $200K/yr across 11 tracked products. 90-day search growth is +92.9%. Flapen's verdict: Worth a look (55/100).
How competitive is the waterproofing niche?: 6 brands and 98 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in waterproofing?: Top complaints mined from reviews: Water Resistance, Leak-Proof, Functionality-Overall. The return rate is 0.3%.
When does demand for waterproofing peak?: Demand peaks in Jan; the busiest month runs 2.0× the quietest.
What does it cost to enter the waterproofing niche?: 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.