Cemix 20kg Fastcrete

SKU: 00241402
Price correct as at Wed 18 Sep 2019 2:20:45am
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Product Description

Fastcrete is a user friendly post hole concrete containing an especially proportioned blend of sand, aggregate, cement and admixtures. It is ideal for setting posts, fences, clothes lines, mail boxes or any similar application where a compressive strength of up to 15MPa is required.

Its unique composition enables it to be poured in to a hole containing the required amount of water and the post. No mixing is required. The initial set time is only 15 minutes and after an hour the post will be able to withstand moderate stresses such as attaching railings with a nail gun.

Do not mix in a wheel barrow as this product has a very fast setting time

  • The average Kiwi fence stands between 1.2m - 1.8m high supported by 100mm x 100mm H4 posts. This product is for posts up to 1.2m high
  • Cemix recommends 2 x 20kg bags per post
  • No mixing required - just pour product in the hole containing the recommended water
  • 15 minute set time
  • Typical Uses: Letter Box Signs, small signs, low fence posts and temporary hold posts before topping with general purpose cement or Maxcrete.

Product Details

Model Name
Cemix Fastcrete 20kg
Model Number
Product Dimensions (mm)
W:370 H:355 L:100
Package Dimensions (mm)
W:370 H:355 L:100
Working Time (min)
15 minutes

Product Downloads

Material Safety Data Sheet
User Guide
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