Is polycarbonate sheet profitable to sell on Amazon United States?

The niche generates $751K/yr across 67 tracked products. 7 of 19 products launched in the last 360 days are still selling. 90-day search growth is +6.8%. Flapen's verdict: Worth a look (57/100).

How competitive is the polycarbonate sheet niche?

36 brands and 64 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 56% of demand.

What do buyers complain about in polycarbonate sheet?

Top complaints mined from reviews: Thickness, Size-Overall, Quality-Overall. The return rate is 2.8%.

When does demand for polycarbonate sheet peak?

Demand peaks in Mar–Apr–May; the busiest month runs 2.0× the quietest.

What does it cost to enter the polycarbonate sheet niche?

Listings span $5.90–$351.46; the average listing price is $89.29 (sweet spot $15–$100). The average incumbent carries 377 reviews — the moat a new listing must climb.

polycarbonate sheet

Worth a look

Shows a fragmented shelf (top 5 take 31% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Great31%

top-5 click share — an open shelf

Review moat

Great377.27

avg incumbent reviews — the moat a new listing must climb

Brand share

Great56%

top-5 brand share — no brand owns this niche

Avg price

Great$89.29

avg listing price — sweet spot $15–$100

Market size

Good$751K

$751K/yr · 765K searches

Returns

Good2.8%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+6.8%

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

Price range

Okay$5.90–$351.46

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

Conversion

Bad1.1%

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

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, polycarbonate sheet is a $751K/yr Amazon United States market (765K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 57/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

polycarbonate sheet market data

Units sold / yr: 10K–13K; avg 100–250/product
Revenue / yr: $893K–$1.1M; units × avg price
Conversion rate: 1.1%
Avg BSR: #137
Page quality: 0%
Prime: 82%
Sponsored: 87%
Out of stock: 4.5%
Avg brand age: 38 months
Avg seller age: 185 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

36 falling

Sellers

Top-5 brand share

56%

Top 20: 90%

Top-5 click share

31%

Top 20: 67%

Open market

39%

DGSL19%
Robosource16%
Sinimaka10%
FAHKNS5%
Lexan5%
Spectra Glass5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.8% search growth over the last 90 days.

Peak months: Mar, Apr, May · busiest ÷ quietest = 2.0×

Open Trend

Top polycarbonate sheet search terms

polycarbonate sheet196K/yr +7.6%1.4% conv.
polycarbonate panels98K/yr +11.4%0.4% conv.
greenhouse panels90K/yr -8.8%1.0% conv.
polycarbonate greenhouse panels64K/yr -9.0%1.0% conv.
polycarbonate roof panels37K/yr +87.5%0.2% conv.
lexan sheet43K/yr -5.1%2.0% conv.
polycarbonate sheets40K/yr +1.0%0.5% conv.
polycarbonate panels 4ft x 8ft33K/yr +23.8%0.4% conv.
polycarbonate33K/yr +5.7%0.7% conv.
lexan27K/yr +19.6%1.6% conv.

All search terms

Top polycarbonate sheet 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DGSL 6 Pcs Polycarbonate Greenhouse Panels 4 x 2 x 0.16 Twin-Wall Panels Polycarbonate Sheet for All Weather Outdoor Garden and Greenhouse Covering

DGSL$46.734.4★468 rev

Polycarbonate Clear Plastic Sheet 12 X 18 X 0.0625 (1/16) Exact EasyRuler Film Shatter Resistant Easier to Cut Bend Mold than Plexiglass. VEX Robot Hobby DIY Industrial. Glass Replacement

Robosource$9.874.6★3,092 rev

Sinimaka 8 Pack Polycarbonate Greenhouse Panels 8 x 4 x 0.24 Twin-Wall Polycarbonate Sheets All Weather Clear Roof Panels Greenhouse Replacement Panels

Sinimaka$305.354.3★141 rev

Sinimaka 10 Pack Polycarbonate Greenhouse Panels 8 x 4 x 0.24 Twin-Wall Polycarbonate Sheets All Weather Clear Roof Panels Greenhouse Replacement Panels

Sinimaka$351.464.4★62 rev

Polycarbonate Clear Plastic Sheet 12 X 12 X 0.118 (1/8) Exact with EasyRuler Film Shatter Resistant Easier to Cut Bend Mold Than Plexiglass. Window Panel Industrial Hobby Home DIY Crafts

Robosource$7.934.6★289 rev

Newest

by launch date

Clear Polycarbonate Greenhouse Panels 1.2mm Thick 2.6ft x 8.2ft

GFaoaengra$49.358 rev

5mo ago

DGSL 14 Pcs Polycarbonate Greenhouse Panels 6 x 2 x 0.24 Twin-Wall Panels Polycarbonate Sheet for All Weather Outdoor Garden and Greenhouse Covering

DGSL$164.56468 rev

6mo ago

14 Pack Polycarbonate Greenhouse Panels 4 x 2 x 0.24 Twin-Wall Polycarbonate Sheets for All Weather Green house Covering Clear Greenhouse Panels Excellent Light Transmission & Weather Resistance

FAHKNS$85.11115 rev

6mo ago

6 Pcs Polycarbonate Greenhouse Panels 4 x 2 x 0.16 Twin-Wall Plastic roof Panels Waterproof UV Protected Clear Corrugated Polycarbonate Sheet for All Weather Outdoor Garden Greenhouse Replacement

VOYAR$45.4834 rev

7mo ago

EVERECO 6 Pcs Polycarbonate Greenhouse Panels 6FT x 2FT x 0.24 in Twin-Wall Polycarbonate Sheet All-Season UV Protected Plastic Roof Sheeting for Greenhouse Covering/Outdoor Garden

EVERECO$107.3356 rev

7mo ago

What buyers say about polycarbonate sheet

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

What buyers love

Quality-Overall21%

“Excellent product”

Value For Money11%

“a great value for the money”

Advertised Vs Actual Product10%

“As advertised”

Size-Overall7%

“The panels fit together nicely”

Ease Of Use6%

“Easy to use”

Strength5%

“Very sturdy”

Cutting/Trimming4%

“easy to cut to size”

Durability4%

“The twin-wall design seems very durable”

Material Quality4%

“Material is great”

Thickness3%

“the thickness of this sheet is perfect for a lid without being too thick or too thin”

What buyers complain about

Thickness13%

“thin I should of bought the thicker ones”

Size-Overall8%

“Panels too short”

Quality-Overall7%

“This is not a good value for the quality of the panels”

Strength7%

“It is a little flimsy”

Advertised Vs Actual Product5%

“And accurate description product does not work as advertised”

Value For Money5%

“The cost is a bit steep”

Color5%

“Color is slightly darker than the rest of my gazebo ceiling”

Material Quality4%

“It's plastic”

Flexibility3%

“so they bend easily”

Weight Heavy2%

“These panels seem heavier than most I've looked at”

Top return reasons

Size-Overall34%

Thickness18%

Thin10%

Advertised Vs Actual Product8%

Material Quality6%

Flexibility4%

Functionality-Overall3%

Value For Money3%