Stain Blocker Paint
soft demand (-22.7% this quarter) — Stain Blocker Paint doesn't clear our bar today.
Flapen Score
Is Stain Blocker Paint profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Stain Blocker Paint is a £278K/yr Amazon United Kingdom market (198K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 48/100.
Stain Blocker Paint: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -22.7% over the last 90 days and 10.9% of searches end in a purchase.
£278K
revenue / yr
Who owns the niche?
The top 5 brands hold 92% of demand, so 8% of the market is open.
8%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 19 products
Top Stain Blocker Paint products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Rustins Stain Blocker & Multi-Surface Primer 250ml- Versatile All-Surface Primer for Blocking Stains and Sealing Porous Materials; Optimal for Walls Ceilings and Wood
- Price
- £6.37
- Rating
- 4.3/5
- Reviews
- 2,532
- Age
- 9y ago
Zinsser ZINCSP500 500 ml Cover Stain Primer/Finish Paint
- Price
- £10.06
- Rating
- 4.6/5
- Reviews
- 933
- Age
- 15y ago
Zinsser Cover Stain 1 Litre
- Price
- £15.55
- Rating
- 4.6/5
- Reviews
- 1,577
- Age
- 13y ago
Polar Damp & Stain Block Spray - 500ml Matt White - Covers Damp Mould Grease Nicotine & Rust Stains - Anti Mould & Damp Proof Paint for Internal Walls & Ceilings - Dries in 10 Min Low Odour
- Price
- £10.12
- Rating
- 4.3/5
- Reviews
- 3,347
- Age
- 5y ago
Everbuild Stain Block Highly Pigmented Easy to Use White 400ml
- Price
- £6.51
- Rating
- 4.4/5
- Reviews
- 4,385
- Age
- 13y ago
Trending
90-day click momentum
Polar Stain Blocker Paint - Matt White - 1 Litre | Ideal for Concrete Cement Wood Brick & Painted Surfaces | Prevents & Removes Stains Grease Water Marks & Rust on Internal Walls & Ceilings
- Price
- £20.14
- Rating
- 4.4/5
- Reviews
- 285
- Age
- 4y ago
Bartoline Stain Blocker Spray 400ml Matt Finish Blocks Mould Mildew Damp and Grease Stains Fast-Drying Primer or Topcoat for Walls Ceilings Plaster and Woodwork
- Price
- £8.03
- Rating
- 4.3/5
- Reviews
- 79
- Age
- 11mo ago
RUSTINS Stain Blocker & Multi-Surface Primer 1ltr -Versatile All-Surface Primer for Blocking Stains and Sealing Porous Materials; Optimal for Walls Ceilings and Wood
- Price
- £13.96
- Rating
- 4.3/5
- Reviews
- 2,532
- Age
- 9y ago
Zinsser BIN Primer-Sealer & Stain Killer 1 Litre
- Price
- £20.19
- Rating
- 4.6/5
- Reviews
- 788
- Age
- 14y ago
Zinsser ZINCSP500 500 ml Cover Stain Primer/Finish Paint
- Price
- £10.06
- Rating
- 4.6/5
- Reviews
- 933
- Age
- 15y ago
Newest
by launch dateBartoline Stain Blocker Spray 400ml Matt Finish Blocks Mould Mildew Damp and Grease Stains Fast-Drying Primer or Topcoat for Walls Ceilings Plaster and Woodwork
- Price
- £8.03
- Rating
- 4.3/5
- Reviews
- 79
- Age
- 11mo ago
Dryzone Damp Proof & Damp Seal Paint White (500ml) for Walls Bathrooms Ceilings & Interior Surfaces Blocks Damp Mould & Stains - Quick Drying Matt Undercoat Paint
- Price
- £14.21
- Rating
- 4.4/5
- Reviews
- 312
- Age
- 1y ago
Pro-Kleen Damp & Stain Block Spray Paint Primer White Matt 400ml - Covers Damp Mould Grease Nicotine & Rust Stains - for Walls & Ceilings - Leaves a Waterproof Barrier
- Price
- £6.71
- Rating
- 4.3/5
- Reviews
- 439
- Age
- 3y ago
Polar Stain Blocker Paint - Matt White - 1 Litre | Ideal for Concrete Cement Wood Brick & Painted Surfaces | Prevents & Removes Stains Grease Water Marks & Rust on Internal Walls & Ceilings
- Price
- £20.14
- Rating
- 4.4/5
- Reviews
- 285
- Age
- 4y ago
Polar Stain Block Spray - 1 x 400ml | Matt White | Prevents & Removes Stains Grease Water Marks & Rust on Internal Walls & Ceilings | Primer Spray for Wood Plastic Tiles & Painted Surfaces
- Price
- £8.94
- Rating
- 4.2/5
- Reviews
- 416
- Age
- 4y ago
Competition: brands, sellers & click share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
Brands
9 flat
Sellers
76
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
5%
- Zinsser39%
- RUSTINS28%
- Polar Specialist Coatings16%
- Everbuild5%
- Pro-Kleen3%
- Polycell3%
- Open — no brand owns it (3 brands, 5%)
Stain Blocker Paint demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top Stain Blocker Paint search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- stain blocker paint54K/yr
- zinsser cover stain37K/yr
- stain block23K/yr
- stain blocking primer14K/yr
- stain block paint11K/yr
- stain blocker9K/yr
- stain blocking paint6K/yr
- water stain cover paint7K/yr
- zinsser stain block6K/yr
- zinsser cover stain primer3K/yr
What reviews say buyers love and hate about Stain Blocker Paint
What buyers mention most, as a share of all reviews.
What buyers love
77% of reviews“Does exactly what it promises”
“Excellent product”
“Covers well”
“GOOD PAINT BUT SECURE THE LID”
“Value for money”
What buyers complain about
68% of reviews“smells very strong”
“Also not enough paint in the spray”
“Water leak through ceiling”
“One of these cans will not spray at all”
“Not as good as expected”
Stain Blocker Paint return rate & reasons
Why buyers send it back, as a share of all return requests.
0.8%
Return rate
15%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Stain Blocker Paint questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
