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53

epdm adhesive

Worth a look

Shows a sweet-spot price point ($64.56 avg), but a small market ($48K/yr) keeps it on the watch list.

Market size 12Growth 85Conversion 39Competition 38Returns 66Price range 38Avg price 88Brand share 56Review moat 83Quality gap 67

Avg price

Great$64.56

avg listing price — sweet spot $15–$100

Growth

Great+85.9%

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

Review moat

Great332.71

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.4%

return rate — above 6% kills the launch gate

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.1%

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

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Price range

Okay$5.27–$227.58

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

Market size

Bad$48K

$48K/yr · 24K searches

Competition

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

102

Top-5 brand share

71%

Open market

23%

  • Dicor30%
  • Alpha Systems14%
  • Geocel10%
  • RecPro9%
  • Gardner-Gibson8%
  • Liquid Rubber6%

Product shelf

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

0%5%$2K10%$5K15%$7K20%$10K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +85.9% search growth over the last 90 days.
2K2KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, Aug · busiest ÷ quietest = 1.7×

Reviews

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

What buyers love

Quality-Overall23%

“Great product and easy to use, feels duranle and looks great after install”

Ease Of Use11%

“Easy to use”

Leak-Proof10%

“Definitely fixes a leak”

Efficiency6%

“works well”

Value For Money6%

“Good deal”

Advertised Vs Actual Product5%

“The fact the product worked as advertised”

Ease Of Cleaning5%

“I would suggest using gloves for easy cleanup”

Durability5%

“So far it is holding well”

Instructions/User Manual/Troubleshooting4%

“The instructions were pretty straightforward”

Adhesion/Stickiness4%

“adhesion seems good”

What buyers complain about

Adhesion/Stickiness25%

“Verry sticky”

Value For Money10%

“Pricey”

Leak-Proof8%

“I have a horrendous leak now that has caused tremendous damage”

Thin6%

“Goes on very thin takes many layers”

Functionality-Overall6%

“Can 2 area does not”

Rubber Quality6%

“Disintegrated the rubber patch”

Ease Of Cleaning5%

“Knowing that its difficult to clean up”

Thickness4%

“Goes on really thick”

Hard Feel2%

“very drippy”

Top return reasons

Color21%
Adhesion/Stickiness10%
Advertised Vs Actual Product9%
Functionality-Overall8%
Leak-Proof6%
Value For Money6%
Compatibility-Overall6%
Defective Material/Parts5%
Durability4%
Maintenance And Repair4%