backer rod 3/4
Worth a lookShows searches that convert (13.5% search→purchase), but a small market ($62K/yr) keeps it on the watch list.
Conversion
Incredible13.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.65avg listing price — sweet spot $15–$100
Price range
Great$4.39–$72.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+40.7%90-day search growth — must beat 0% to launch
Review moat
Good1,002.88avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Market size
Bad$62K$62K/yr · 22K searches
According to Flapen's Amazon United States niche tracking, backer rod 3/4 is a $62K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jun–Sep–Oct. Verdict: Worth a look — 51/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
backer rod 3/4 market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $62K–$83K
- units × avg price
- Conversion rate
- 13.5%
- Avg BSR
- #86
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 1.5%
- Avg brand age
- 58 months
- Avg seller age
- 197 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
31
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
10%
- HKACSTHI26%
- M-D Building Products22%
- zzhxkjhky19%
- SIKA10%
- YOGHAVRS9%
- Tondiamo3%
- Open — no brand owns it (4 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +40.7% search growth over the last 90 days.Peak months: Jun, Sep, Oct · busiest ÷ quietest = 2.3×
Top backer rod 3/4 search terms
- backer rod 3/4 inch12K/yr
- 3/4 backer rod6K/yr
- foam backer rod 3/4 inch3K/yr
- backer rod 3/42K/yr
Top backer rod 3/4 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
M-D Building Products - Versatile Gray Foam Backer Rod - Essential Caulk Saver for Sealing Concrete Gaps Expansion Joints and Crack Filling 3/4 by 15 Feet Black (19101)
M-D Building Products$9.784.6★5,315 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 3/4 Inch x 10 Feet)
HKACSTHI$10.434.4★294 rev
SIKA Closed Cell Foam Backer Rod Gray 3/4 Diameter x 20 Long Water-Resistant Joint Filler for Sealant Application Flexible and Durable for Cracks and Joints
SIKA$8.234.6★1,040 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (3/4 Inches x 10 Feet)
YOGHAVRS$9.764.3★100 rev
3/4 Diameter x 100 Length Backer Rod Caulk Saver Foam Backer Rod for Gaps and Joints Backing Concrete Filler
zzhxkjhky$38.194.5★614 rev
Newest
by launch date
LDHHYH Backer Rod 3/4 Inch Diameter x 100 FT Length Foam Backer Rod Caulk Saver Bulk Foam Backing Rod for Gaps Concrete Filling Joints Driveway Crack Grey
LDHHYH$30.321 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (3/4 Inches x 10 Feet)
YOGHAVRS$9.76100 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 3/4 Inch x 33 Feet)
HKACSTHI$14.91294 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 3/4 Inch x 10 Feet)
HKACSTHI$10.43294 rev
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 1/2 Inch x10 Feet)
HKACSTHI$9.88294 rev
Trending
90-day click momentumLDHHYH Backer Rod 3/4 Inch Diameter x 100 FT Length Foam Backer Rod Caulk Saver Bulk Foam Backing Rod for Gaps Concrete Filling Joints Driveway Crack Grey
LDHHYH$30.325.0★
3/4 Diameter x 40 Length Backer Rod Caulk Saver Foam Backer Rod for Gaps and Joints Backing Concrete Filler
zzhxkjhky$19.454.5★
SIKA Closed Cell Foam Backer Rod Gray 3/4 Diameter x 20 Long Water-Resistant Joint Filler for Sealant Application Flexible and Durable for Cracks and Joints
SIKA$8.234.6★
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 3/4 Inch x 10 Feet)
HKACSTHI$10.434.4★
Foam Backer Rod for Gaps Concrete Crack Filler Joints Foam Gap Filler Caulk Saver Backing Rod Concrete Filler Rope (Black 3/4 Inch x 33 Feet)
HKACSTHI$14.914.4★
What buyers say about backer rod 3/4
What buyers praise and complain about, mined from review topics.What buyers love
“Decent value”
“Worked great”
“Product as described”
“Easy to use”
“The material looks to be pretty good for backer rod applications”
“Make window maintenance easy”
“Easy installation”
“It is simple to cut to size”
“Strong and durable”
“Great quality & sealing ability, highly versatile & easy to use”
What buyers complain about
“It should not cost more than $1”
“Very Cheap”
“not as soft as the thinner ones I have”
“doesn't really work”
“A bit to big”
“A bit to big and stiff”
Top return reasons
Common questions
- Is backer rod 3/4 profitable to sell on Amazon United States?
- The niche generates $62K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +40.7%. Flapen's verdict: Worth a look (51/100).
- How competitive is the backer rod 3/4 niche?
- 10 brands and 31 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in backer rod 3/4?
- Top complaints mined from reviews: Value For Money, Quality-Overall, Thickness. The return rate is 2.5%.
- When does demand for backer rod 3/4 peak?
- Demand peaks in Jun–Sep–Oct; the busiest month runs 2.3× the quietest.
- What does it cost to enter the backer rod 3/4 niche?
- Listings span $4.39–$72.27; the average listing price is $20.65 (sweet spot $15–$100). The average incumbent carries 1,003 reviews — the moat a new listing must climb.