deck spacers
Worth a lookShows demand growing +104.7% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Great+104.7%90-day search growth — must beat 0% to launch
Review moat
Great164.08avg incumbent reviews — the moat a new listing must climb
Conversion
Great8.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.01avg listing price — sweet spot $15–$100
Price range
Great$4.41–$49.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.0%return rate — above 5% kills the launch gate
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Market size
Bad$89K$89K/yr · 61K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, deck spacers is a $89K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 59/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
deck spacers market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $85K–$102K
- units × avg price
- Conversion rate
- 8.7%
- Avg BSR
- #88
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 2.7%
- Avg brand age
- 28 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
25
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
52%
Top 20: 96%
Open market
15%
- Nkiy Quen34%
- Cfyosnk20%
- Myard13%
- CroBlissful9%
- Qbonway6%
- Plank Rite4%
- Open — no brand owns it (6 brands, 15%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +104.7% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 4.2×
Top deck spacers search terms
- deck spacers24K/yr
- deck board spacers16K/yr
- deck spacer tool6K/yr
- deck spacer5K/yr
- deck spacers 1/84K/yr
- decking spacers4K/yr
- deck board spacing tool2K/yr
Top deck spacers 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nkiy Quen 8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers(1/16 1/8 3/16 1/4) Green Deck Spacers Assorted for Pressure Treated Composite Decking
Nkiy Quen$11.934.6★147 rev
8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers (1/16 1/8 3/16 1/4) for Pressure Treated Lumber Composite Decking PVC & Hardwood Boards
Cfyosnk$9.574.5★31 rev
Nkiy Quen 6 Pcs ABS Deck Board Spacer 1/8 and 3/16 Inch Deck Board Spacing Tool Orange Deck Spacers for Pressure Treated Composite Hardwood Decking
Nkiy Quen$22.574.8★18 rev
Myard Red 20 Packs 1/8 Inch Deck Spacer with Bright Color Easily Spotting Easy Pull Deck Board Jig Spacer Rings for Pressure Treated Composite PVC Plank Hardwood Decking Tool (DJS3.2)
Myard$16.694.6★599 rev
CroBlissful 16 Pcs Deck Spacers 1/8 and 3/16 Spacer Edges Deck Board Spacing Tool Orange for Pressure Treated Composite PVC Plank Hardwood Decking Tool
CroBlissful$49.865.0★38 rev
Newest
by launch dateNkiy Quen 6 Pcs ABS Deck Board Spacer 1/8 and 3/16 Inch Deck Board Spacing Tool Orange Deck Spacers for Pressure Treated Composite Hardwood Decking
Nkiy Quen$22.5718 rev
Nkiy Quen 2 Pcs ABS Deck Board Spacer 1/8 and 3/16 Inch Deck Board Spacing Tool Orange Deck Spacers for Pressure Treated Composite Hardwood Decking
Nkiy Quen$10.2118 rev
8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers (1/16 1/8 3/16 1/4) for Pressure Treated Lumber Composite Decking PVC & Hardwood Boards
Cfyosnk$9.5731 rev
8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers (1/16 1/8 3/16 1/4) for Pressure Treated Lumber Composite Decking PVC & Hardwood Boards
Cfyosnk$9.6231 rev
CroBlissful 16 Pcs Deck Spacers 1/8 and 3/16 Spacer Edges Deck Board Spacing Tool Orange for Pressure Treated Composite PVC Plank Hardwood Decking Tool
CroBlissful$49.8638 rev
Trending
90-day click momentumNkiy Quen 6 Pcs ABS Deck Board Spacer 1/8 and 3/16 Inch Deck Board Spacing Tool Orange Deck Spacers for Pressure Treated Composite Hardwood Decking
Nkiy Quen$22.574.8★
Nkiy Quen 2 Pcs ABS Deck Board Spacer 1/8 and 3/16 Inch Deck Board Spacing Tool Orange Deck Spacers for Pressure Treated Composite Hardwood Decking
Nkiy Quen$10.214.8★
8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers (1/16 1/8 3/16 1/4) for Pressure Treated Lumber Composite Decking PVC & Hardwood Boards
Cfyosnk$9.714.5★
8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers (1/16 1/8 3/16 1/4) for Pressure Treated Lumber Composite Decking PVC & Hardwood Boards
Cfyosnk$9.574.5★
Nkiy Quen 8 Pcs ABS Deck Spacer Tool 4 Thicknesses Deck Board Spacers(1/16 1/8 3/16 1/4) Orange Deck Spacers Assorted for Pressure Treated Composite Decking
Nkiy Quen$11.804.6★
What buyers say about deck spacers
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“They are well made and”
“Better than I expected”
“Well made”
“The color makes them easy to keep track of”
“Excellent really helpful during my deck install highly recommend”
“Very easy to use and very durable”
“Great little spacers”
“Overall, this is a helpful tool for improving accuracy in decking projects”
“Nice to have 4 different options/thicknesses”
What buyers complain about
“Broken”
“half of them broke during use”
“Cheap in more ways than one”
“difficult to remove”
“the two items were not close to being the same dimension even though they were advertised to be identical items”
“Small”
“Bigger ones out there with two finger grip”
Top return reasons
Common questions
- Is deck spacers profitable to sell on Amazon United States?
- The niche generates $89K/yr across 25 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is +104.7%. Flapen's verdict: Worth a look (59/100).
- How competitive is the deck spacers niche?
- 12 brands and 25 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in deck spacers?
- Top complaints mined from reviews: Strength, Durability, Quality-Overall. The return rate is 2.0%.
- When does demand for deck spacers peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 4.2× the quietest.
- What does it cost to enter the deck spacers niche?
- Listings span $4.41–$49.86; the average listing price is $17.01 (sweet spot $15–$100). The average incumbent carries 164 reviews — the moat a new listing must climb.