grout paint
Skip itBrand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$18.42avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Returns
Good2.5%return rate — above 5% kills the launch gate
Growth
Good+34.9%90-day search growth — must beat 0% to launch
Price range
Good$7.35–$25.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Market size
Okay$142K$142K/yr · 215K searches
Review moat
Bad5,863.4avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, grout paint is a $142K/yr Amazon United States market (215K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Feb–Mar–Apr–May–Jun. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
grout paint market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $111K–$147K
- units × avg price
- Conversion rate
- 3.6%
- Avg BSR
- #103
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 0.9%
- Avg brand age
- 65 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
54
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
5%
- Rainbow Chalk Markers Limited46%
- Mapei32%
- Grout Finish7%
- ZippySolve5%
- Rainbow Chalk Markers Ltd3%
- PENTAUSA2%
- Open — no brand owns it (4 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +34.9% search growth over the last 90 days.Peak months: Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 3.0×
Top grout paint search terms
- grout paint118K/yr
- grout paint and sealer20K/yr
- grout color sealer13K/yr
- grout colorant and sealer17K/yr
- grout renew colorant and sealer9K/yr
- color seal grout9K/yr
- tile grout paint5K/yr
- white grout paint6K/yr
- grout recolor kit6K/yr
- polyblend grout renew colorant4K/yr
Top grout paint 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Grout Pen White Tile Grout Paint: Waterproof Grout Paint Pen Whitener and Grout Sealer Marker for Cleaner Looking Grout Lines - White Narrow 5mm Tip (7mL) - 3 Pack
Rainbow Chalk Markers Limited$22.834.4★5,415 rev

MAPEI UltraCare Grout Refresh Universal Grout Colorant & Sealer 8 oz Bottle Easy Grout Restoration & Protection 5093 Warm Gray
Mapei$21.104.4★4,149 rev

Grout Pen White Tile Grout Paint Marker: Waterproof Tile Grout Colorant and Sealer Pens for Cleaner Looking Floors & Whitener Without Bleach - Narrow 5mm 2 Pack with Extra Tips (7mL) - White
Rainbow Chalk Markers Limited$16.854.3★13,572 rev

Grout Pen White Grout Paint: Waterproof Tile Paint Grout Refresh Restorer for Floor Kitchen & Bathroom Shower Tiles - White - Can Size for Larger Projects - 125ml (4.2oz)
Rainbow Chalk Markers Limited$24.594.3★1,246 rev

MAPEI UltraCare Grout Refresh Universal Grout Colorant & Sealer 8 oz Bottle Easy Grout Restoration & Protection 5220 Eggshell
Mapei$18.974.3★1,265 rev
Newest
by launch date
Grout Pen White Grout Paint: Waterproof Tile Paint Grout Refresh Restorer for Floor Kitchen & Bathroom Shower Tiles - White - Can Size for Larger Projects - 125ml (4.2oz)
Rainbow Chalk Markers Limited$24.591,246 rev

ZippySolve Tile Grout Repair Kit Restore & Renew Tile Joints Line Fast Drying Tile Grout Paint Squeeze Tube for Bathroom Shower Kitchen Floor Waterproof (8.8 oz Beige)
ZippySolve$17.971,192 rev

Magic Chems Tile Grout Repair White 8.8 oz/250gr. Fast Drying Grout Repair Kit Grout Filler Tube Repair Kit Tile Grout Paint Grout Sealer Restore and Renew Bathroom Floor Tile Gaps Joints Lines
Magic Chems$16.37753 rev

Grout Finish Kit - The Professionals Choice - Color and Seal Grout - Prevents Stains and Creates Easy to Clean Grout - 8oz Bottle Wheel applicator Brush applicator and Scrub pad (Dark Grey)
Grout Finish$21.61505 rev

Grout Finish Kit - The Professionals Choice - Color and Seal Grout - Prevents Stains and Creates Easy to Clean Grout - 8oz Bottle Wheel applicator Brush applicator and Scrub pad (Tan)
Grout Finish$21.97505 rev
Trending
90-day click momentum
MAPEI UltraCare Grout Refresh Universal Grout Colorant & Sealer 8 oz Bottle Easy Grout Restoration & Protection 5047 Charcoal
Mapei$22.734.4★

Grout Finish Kit - The Professionals Choice - Color and Seal Grout - Prevents Stains and Creates Easy to Clean Grout - 8oz Bottle Wheel applicator Brush applicator and Scrub pad (White)
Grout Finish$21.954.2★

Magic Chems Tile Grout Repair White 8.8 oz/250gr. Fast Drying Grout Repair Kit Grout Filler Tube Repair Kit Tile Grout Paint Grout Sealer Restore and Renew Bathroom Floor Tile Gaps Joints Lines
Magic Chems$16.374.3★

Grout Finish Kit - The Professionals Choice - Color and Seal Grout - Prevents Stains and Creates Easy to Clean Grout - 8oz Bottle Wheel applicator Brush applicator and Scrub pad (Tan)
Grout Finish$21.974.2★

Grout Finish Kit - The Professionals Choice - Color and Seal Grout - Prevents Stains and Creates Easy to Clean Grout - 8oz Bottle Wheel applicator Brush applicator and Scrub pad (Dark Grey)
Grout Finish$21.614.2★
What buyers say about grout paint
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to apply”
“reliable product”
“As advertised”
“little to no mess”
“it does the job”
“The color was accurate”
“Reasonably priced”
“Looks brand new”
“White is very bright”
“feels durable and well-made”
What buyers complain about
“Color was off”
“it simply doesnt work as expected”
“Came off after a few days”
“Garbage product”
“Painted grout”
“Hard to squeeze”
“Difficult to clean up”
“Not a good value”
“wide is WIDE”
“Not as advertised”
Top return reasons
Common questions
- Is grout paint profitable to sell on Amazon United States?
- The niche generates $142K/yr across 20 tracked products. 90-day search growth is +34.9%. Flapen's verdict: Skip it (48/100).
- How competitive is the grout paint niche?
- 10 brands and 54 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in grout paint?
- Top complaints mined from reviews: Color, Functionality-Overall, Durability. The return rate is 2.5%.
- When does demand for grout paint peak?
- Demand peaks in Feb–Mar–Apr–May–Jun; the busiest month runs 3.0× the quietest.
- What does it cost to enter the grout paint niche?
- Listings span $7.35–$25.77; the average listing price is $18.42 (sweet spot $15–$100). The average incumbent carries 5,863 reviews — the moat a new listing must climb.