Flexitec GRP Winter Primer Accelerator 400g

Cold Weather Accelerator for Flexitec Primer (Down to 1°C)

Flexitec Winter Primer Accelerator is a cold-weather additive designed to support curing of Flexitec Primer in low temperature conditions.

Used correctly, it allows Flexitec Primer to be applied on surfaces as low as 1°C, helping maintain workable cure times when conditions fall below the standard 5°C minimum.

What It’s Used For

• Winter installations
• Early morning cold deck temperatures
• Projects where surface temperature is between 1°C and 5°C
• Maintaining predictable primer cure in cold weather

Important:
This product is used in addition to Flexitec Powder Hardener - it does not replace it.

Why It Matters

In cold conditions, primer cure slows significantly. Without proper curing, the resin layer applied above may suffer adhesion issues.

Flexitec Winter Primer Accelerator:

• Speeds up primer cure at low temperatures
• Restores normal working times in cold weather
• Helps ensure proper adhesion of the Flexitec system
• Enables application down to 1°C (surface temperature)

It’s a controlled way to keep the job moving during late autumn and winter installations.

How It’s Used

• Stir Flexitec Primer thoroughly.
• Add 1 x 400g Winter Primer Accelerator pack to 5kg Flexitec Primer.
• Mix thoroughly in the original container.
• Add Powder Hardener at the correct scoop rate for the temperature.

Critical:
Accelerator must be fully mixed into the primer before adding Powder Hardener.
Accelerator and Powder Hardener must never come into direct contact.

Temperature Guidance

• Surface temperature range: 1°C – 10°C
• Without accelerator: do not apply Flexitec Primer below 5°C
• Resin and primer should ideally be stored between 5°C – 10°C prior to use

Always refer to the full Flexitec Application Manual for complete guidance.

Important Notes

• Not a replacement for Powder Hardener
• Do not use above recommended temperature range
• Do not mix accelerated and non-accelerated material side by side where colour consistency is critical
• Store away from Powder Hardener and organic peroxides

Roofer’s Perspective

If you’re pushing jobs into colder months, this gives you control. Used properly, it brings cure times back into a workable window so you’re not waiting around for primer to kick in low temperatures.