Fast Set PostFix Concrete 20kg Bag
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Heidelberg Materials Fast Set PostFix in a 20kg bag — a ready-to-use, fast-setting concrete mix of Portland cement and special additives, with sharp sand and 10mm aggregate, designed for fixing posts in the ground, with no pre-mixing required. Position the post, add water to the hole, and pour the bag straight in. Initial set takes under 5 minutes, after which the post stands unsupported, with full strength developing in around 4 hours. The quick, clean fix for fence posts, gate posts, pergolas, garden lighting and rotary lines. As a guide, allow 1 bag for a 75mm post and 1–3 bags for a 100mm post depending on hole width and depth. Sold per 20kg bag.
- Pickup available at Tottenham, N17. Usually ready in 24 hours.
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