fibreglass repair kit
Worth a lookShows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Review moat
Great371.95avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Price range
Good£6.57–£36.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£14.02avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Okay+18.0%90-day search growth — must beat 0% to launch
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Market size
Okay£134K£134K/yr · 135K searches
According to Flapen's Amazon United Kingdom niche tracking, fibreglass repair kit is a £134K/yr Amazon United Kingdom market (135K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 57/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
fibreglass repair kit market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- £112K–£140K
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #133
- Page quality
- 0%
- Prime
- 71%
- Sponsored
- 48%
- Out of stock
- 6.0%
- Avg brand age
- 44 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
48
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
60%
Top 20: 99%
Open market
18%
- Swindon Composite Supplies29%
- SILVERHOOK22%
- VIKEYTIM11%
- Bargainstore8%
- David's7%
- WEILAOK5%
- Open — no brand owns it (7 brands, 18%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +18.0% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.3×
Top fibreglass repair kit search terms
- fibreglass repair kit51K/yr
- fiberglass repair kits22K/yr
- fibre glass repair kits16K/yr
- fibreglass kit15K/yr
- fibreglass8K/yr
- fiberglass kit6K/yr
- fiber glass repair kits4K/yr
- fiberglass repair kit4K/yr
- glass fibre repair kit4K/yr
- fibre glass3K/yr
Top fibreglass repair kit 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 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Silverhook BIGK1 Big Boy Glass Fibre Resin Repair Kit
SILVERHOOK£10.114.5★1,412 rev
Swindon Composite Supplies : Fibreglass Resin Repair Kit - 1 Sq M of Fibreglass Matting 1kg Polyester Value Resin - GRP Roofing Ponds Laminating by Swindon Composite Supplies (1000 Grams)
Swindon Composite Supplies£13.714.7★198 rev
VIKEYTIM Marine Fiberglass Repair Kit (Color Match) 100g Gel Coat Repair Kit for Boats Fiberglass Repair Fix Holes Chips Deep Cracks Ceramic Porcelain Fiberglass Filler
VIKEYTIM£12.894.2★344 rev
Bargainstore Glass Fibre Kit Car Boat Caravan Repair Resin Fastglas Hardener Matting
Bargainstore£11.904.6★60 rev
Davids Fastglas Glass Fibre Kit Car Boat Caravan Repair U-Pol Fastglass Resin polyester resin kit containing resin hardener glass fibre mixing cup and protective gloves
David's£11.314.5★1,170 rev
Newest
by launch date
Fibreglass Repair Kit Fibre Glass Repair Kits Fibreglass Kit Include 1 Sq M of Fibre glass Matting 200g Resin 100g Hardener and Others Suitable for Boat Auto and Home repairs
AllisWay£16.331 rev
Fibreglass Repair Kit Fibre Glass Repair Kits with 1 Sq M of Fibreglass Matting Polyester Resin and Hardener for Repairing Vehicle Ships Bathtubs Swimming Pools Wall Repair Wet Layup
Allony£16.574 rev
Fibreglass Repair Kit Fibre Glass Repair Kits fibreglass Kit Fibreglas Resin 300ml + 1 Square Meter 300g Fiberglass Mat - for Repairing Ships Surfboard Pipes and Other Surfaces
WEILAOK£15.836 rev
Fiberglass Repair Kit (Color Match) Shower Tray Repair Kit- Bath Repair Kit White Bathtub and Sink Repairs Kits for Chips Dents Cracks Holes Scratchs
PLACHIDAY£7.822 rev
Carbon fiber adhesive A carbon fiber adhesive B for Reinforcing and Repairing Cars Motorcycles Boats Paddleboards and Bicycles
WEILAOK£13.8912 rev
Trending
90-day click momentumFibreglass Repair Kit Fibre Glass Repair Kits with 1 Sq M of Fibreglass Matting Polyester Resin and Hardener for Repairing Vehicle Ships Bathtubs Swimming Pools Wall Repair Wet Layup
Allony£16.573.7★
Fibreglass Repair Kit Fibre Glass Repair Kits fibreglass Kit Fibreglas Resin 300ml + 1 Square Meter 300g Fiberglass Mat - for Repairing Ships Surfboard Pipes and Other Surfaces
WEILAOK£15.834.1★
Fibreglass Repair Kit Fibre Glass Repair Kits Fibreglass Kit Include 1 Sq M of Fibre glass Matting 200g Resin 100g Hardener and Others Suitable for Boat Auto and Home repairs
AllisWay£16.335.0★
Ealyder Tape 50mm x 27 4m Transparent Reinforced Fiberglass Tape 170mic Filament Strapping Tape Adhesive Heavy Duty
Ealyder Tape£6.574.7★
Fiberglass Repair Kit (Color Match) Shower Tray Repair Kit- Bath Repair Kit White Bathtub and Sink Repairs Kits for Chips Dents Cracks Holes Scratchs
PLACHIDAY£7.823.0★
What buyers say about fibreglass repair kit
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent kit”
“It looks fairly straightforward to use”
“Exactly as advertised great item”
“Priced well”
“provided a solid repair for my car wing”
“Good size for what I needed”
“the instructions are clear”
“Good quality item with plenty of fiber glass matting”
“is quite strong in that respect”
“As expected big boy stuff works really well”
What buyers complain about
“Sticks like glue”
“Garbage”
“NO English instructions-”
“the first attempt ended up as orange”
“Too small was expecting more”
“It's a waste of money”
“There was no glass fibre fabric included in the kit so it is impossible to do any repairs”
“Carbon good, resin poor”
“cheap disposable brushes as I haven't found a way of cleaning the supplied one”
“would liked it to dry quicker. took ages”
Top return reasons
Common questions
- Is fibreglass repair kit profitable to sell on Amazon United Kingdom?
- The niche generates £134K/yr across 21 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +18.0%. Flapen's verdict: Worth a look (57/100).
- How competitive is the fibreglass repair kit niche?
- 13 brands and 48 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in fibreglass repair kit?
- Top complaints mined from reviews: Adhesion/Stickiness, Quality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 0.3%.
- When does demand for fibreglass repair kit peak?
- Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.
- What does it cost to enter the fibreglass repair kit niche?
- Listings span £6.57–£36.29; the average listing price is £14.02 (sweet spot $15–$100). The average incumbent carries 372 reviews — the moat a new listing must climb.