Skip to content
Free Shipping Nationwide On All Orders
Contact Same Day London Delivery

Hardener

Professional Hardeners for Automotive Paint, Fillers & Repair Systems

Our Hardeners collection brings together a wide selection of activators and catalysts from leading automotive brands, designed for dependable curing across a wide range of bodyshop products. Whether you’re working with 2K paints, clearcoats, primers or body fillers, we supply the correct hardener to achieve optimal drying times, durability and finish quality.

Choose from fast, standard and slow hardeners to match your application conditions, alongside specialised options for specific coatings and temperature requirements. Each product is selected for compatibility, consistency and reliable performance in busy professional workshops.

From panel refinishing to full resprays, our multi-brand range ensures you get the right hardener for every material system and repair environment.

Accurate mixing, stable curing, and trusted results for garages and bodyshops.

Universal Hardener Tubes 210G

Upol
£0.00 - £0.00
£0.00
£9.99
£9.99 - £9.99
£9.99
In stock

Introducing the essential component to enhance the performance of your paint- the Universal Hardener Tubes from Upol. This product comes in a 20g p...

View full details
£0.00 - £0.00
£0.00
£9.99
£9.99 - £9.99
£9.99

2 x Universal Hardener Tubes 210G

Upol
£0.00 - £0.00
£0.00
£18.99
£18.99 - £18.99
£18.99
In stock

Get your hands on 2 x Universal Hardener Tubes 210G by Upol to enhance the quality of your automotive paint job. These tubes are the perfect additi...

View full details
£0.00 - £0.00
£0.00
£18.99
£18.99 - £18.99
£18.99

UPOL EASY ONE 1 3L DEEP FILL LIGHTWEIGHT BODY FILLER + HARDENER & SPREADER

UPOL
£0.00 - £0.00
£0.00
£28.99
£28.99 - £28.99
£28.99
In stock

🚗 UPOL EASY 1 3L Lightweight Body Filler Kit - Deep Fill + Hardener & Spreader ...

View full details
£0.00 - £0.00
£0.00
£28.99
£28.99 - £28.99
£28.99

BPO Paste Body Universal Hardener BPO 220G Tube For Filler & Fiberglass

Upol
£0.00 - £0.00
£0.00
£9.99
£9.99 - £9.99
£9.99
In stock

Introducing the Upol BPO Paste Body Universal Hardener BPO 220G Tube, perfect for use with filler and fibreglass. This high-quality product, made i...

View full details
£0.00 - £0.00
£0.00
£9.99
£9.99 - £9.99
£9.99

2 X BPO Paste Body Universal Hardener BPO 220G Tube For Filler & Fiberglass

Upol
£0.00 - £0.00
£0.00
£19.99
£19.99 - £19.99
£19.99
In stock

Introducing the Upol BPO Paste Body Universal Hardener BPO 220G Tube, perfect for use with filler and fibreglass. This high-quality product, made i...

View full details
£0.00 - £0.00
£0.00
£19.99
£19.99 - £19.99
£19.99

Upol Fantastic Polyester Body Filler 3 Litre - Includes Hardener & Spreader

Upol
£0.00 - £0.00
£0.00
£29.99
£29.99 - £29.99
£29.99
In stock

UPOL Fantastic Polyester Body Filler Car 3L FANT/3 W/ BPO Hardener & Spreader An ultra lightweight multi-functiona...

View full details
£0.00 - £0.00
£0.00
£29.99
£29.99 - £29.99
£29.99

2 X U-POL Smooth 7 Car Body Filler 3L + BPO HARDNER + SPREDER

UPOL
£0.00 - £0.00
£0.00
£59.99
£59.99 - £59.99
£59.99
In stock

Transform the way you tackle car body repairs with U-POL Smooth 7 Car Body Filler. This advanced formula, boasting a generous 3.0L capacit...

View full details
£0.00 - £0.00
£0.00
£59.99
£59.99 - £59.99
£59.99