COBRA DIY HARDENER - 1ltr

Cobra Hardener – Lock It In

Cobra Hardener is the essential activator that brings our Cobra Bedliner coatings to life.
For serious durability and long-lasting performance, always mix at a ratio of 3 parts Bedliner to 1 part Hardener before application.

Why You Need It:

• Activates curing and hardening of Cobra Bedliner

• Ensures maximum adhesion, strength, and resistance

• Suitable for use with all Cobra DIY and Pro Bedliner products

• Compatible with spray, brush, or roll-on applications

⚠️ Mixing Ratio:
3:1 – 3 parts Bedliner: 1 part Hardener
Measure carefully for best results.

⚠️ Important Usage Warning

This is a permanent coating once cured. Do not apply to any surface unless you’re confident in how it works.
If you’re unsure, always test first on a scrap or disposable surface.

• Not suitable for removal once applied

• Misuse can result in unwanted bonding or surface damage

• When in doubt, test it out!

Check our FAQs or HOW TO section for step-by-step guides, mixing tips, and application advice.