• Rapid-setting formula: Initial set in as little as 5–10 minutes for immediate post support

• No-mix convenience: Pour dry mix into the hole, add water per bag instructions—no wheelbarrow or mixer needed

• Single-bag yield: 20 kg bag fills a 100x600mm hole to suit a 1800mm post. Use 2 or more bags for larger posts/holes.

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FAQ

1. How quickly does PostFix set?

• Initial set occurs in 5-10 minutes, providing immediate support for your post. Full strength is reached in about 24 hours.

2. How many bags do I need per post?

• With good ground and a standard 8ft post generally 1 bag is required. For bigger posts or bad ground conditions 2 or more bags may be necessary.

3. How much water should I add per bag?

• Add 2.5–3.5 litres of clean water per 20 kg bag, adjusting slightly for consistency. Mix until you achieve a damp, coffee-grout texture.

4. Can I use PostFix in all soil types?

• Yes, its formulation resists wash-out in clay, sand or loamy soils. For very loose ground, tamp the hole base before pouring.

5. Do I need special tools to mix it?

• No, simply pour the dry mix into the hole, add the recommended water, and stir with a trowel or stick. No wheelbarrow or mixer required.

6. What temperature range is suitable for use?

• Best used between 5 °C and 25 °C. Below 5 °C, warm water helps set; above 25 °C, keep water cool to control the setting time.

7. How should I store unused bags?

• Store in a dry, covered area above ground level. Unopened bags remain effective for up to 12 months.

8. Can I adjust the mix for different set times?

• For a slightly slower set in warm weather, reduce water by up to 0.5 litres per bag. Don’t exceed the maximum water volume.

9. Is PostFix suitable for metal or concrete posts?

• Yes, PostFix bonds well with timber, metal and concrete posts, offering firm anchorage in all cases.

10. How do I dispose of leftover mix or empty bags?

• Dispose of empty bags through your local recycling scheme for cement bags.