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🚗 Repair like a pro, flex like a boss!
TECHKO Silverhook BIG31 Big Boy Plastic Flexi Filler is a 250ml high-elasticity plastic filler designed for automotive repairs, especially car bumpers. It grips a wide range of surfaces, resists corrosion and water, and sands smoothly for a professional finish. Ideal for durable, flexible repairs that withstand daily wear and weather.












| ASIN | B007NVYCNU |
| Best Sellers Rank | 3,515 in Automotive ( See Top 100 in Automotive ) 48 in Fillers, Adhesives & Sealants |
| Box Contents | Applicator |
| Brand | SILVERHOOK |
| Brand Name | SILVERHOOK |
| Colour | Grey |
| Compatible Devices | Car |
| Compatible devices | Car |
| Connector Type | Component |
| Connector type | Component |
| Customer Reviews | 4.5 out of 5 stars 1,134 Reviews |
| Finish type | Plastic |
| Global Trade Identification Number | 05036029110227 |
| Item Type Name | Plastic Filler |
| Item Weight | 0.62 Pounds |
| Manufacturer | Ware Motorama Ltd T/A Silverhook |
| Manufacturer Part Number | BIG31 |
| Model Number | BIG31 |
| Number of Items | 18 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Product Finish Type | Plastic |
| Product Warranty | None. |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | Repair and fill gaps or holes on different surfaces |
| Specific uses for product | Repair and fill gaps or holes on different surfaces |
| Unit Count | 250.0 millilitre |
| Warranty Type | Limited |
M**S
Strong and great product , easy to work with
Great product , thanks
M**E
Strong Adhesion - Easy To Work With
Purchased June 2024 - 250ml £9.33 [Note: At time of writing webpage states both 250 & 280ml - 250ml was received - don't know if this "shrinkflation" or just a typo] We used this in very hot [for UK!] conditions and found it bonds extremely well even to painted surfaces, some applications required two-coats to fill in air-bubbles [probably user error]. Easy to sand and paint. Not much else to say - definitely use in a well-ventilated area Downside - could do with a better way of measuring the ratio of hardener to filler, it was a bit of "hope this is right". We did find it "going-off" quite quickly, although this might have been down to the temperature +24 deg. C. Recommended
A**S
Is it easy to use
Works great easy to use good quality and good finish recommend
I**S
Mr P
Excelent
D**.
Good
Very good
T**R
Quick and easy to apply and sand to shape
Arrived promptly. Used to repair a large hole ripped in the front bumper (see photos). Applied using mesh and built up in layers. Cured in about an hour with warm air from fan heater. Sanded easily into shape using sanding block with a variety of paper grades starting coarse to get the correct form, and then a light grade before applying two coats of primer and the top coat (still needs a t-cut and lacquer but I am very pleased with the result).
I**N
Tin half full
The contents are only about half of the tin - very deceptive. I ordered one tin and then had to buy another tin, for the job I needed to do The product itself is very good, but needing to pay twice was disappointing
P**L
Does exactly what it says on the tin
Our composite front door has started showing cracks in certain panels, so not being in a position to replace it, thought I'd try and repair it After much research, settled on this and very glad I did !! Once you've got the mix / combination right it's perfect, as goes off very quick once applied. Has filled all the cracks and despite it being almost silicone like once set, it sands down easily and is paintable. Door looks great now with no unsightly holes or cracks HIGHLY RECOMMENDED
M**C
bonne qualité
Livraison avec Prime. Facile d'utilisation, durcissement rapide. Attention, procéder par petites quantité de mastic et ne pas mettre trop de durcisseur dans le mélange pour avoir le temps de travailler. Se ponce aisément.
M**L
Bonne concistance
Top très facile à appliquer👍
D**Y
bien
bon produit . dommage aucune explication en français pour utilisation
A**Z
Satisfait
J'ai reçu le paquet endommagé, le fournisseur fut très compréhensif et a vite répondu en trouvant solution. Pour le produit il est relativement facile d'application, convient au pare-choc et baguette de protection, une fois sec se ponce facilement. Au final le résultat est très bon.
H**M
Super
très facile d'utilisation
Trustpilot
2 months ago
1 month ago