Cement Australia data sheet
Rapid Set Concrete Technical Data Sheet
The manufacturer's two-page technical data sheet for Rapid Set Concrete in 20kg bags. It covers what the product is made of and what it is for, the three steps for setting a post without mixing, coverage per post hole and the limitations.
What this covers
- What it is
- Uses
- How to use
- Optional method
- Coverage
- Limitations
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- A blend of cement, sand, selected aggregates and additives, made to harden quickly without mixing.
- Hardens in 15 minutes when used as directed, within the desired temperature range. Extreme temperatures change the set time.
- Designed for fence and pergola posts, and ideal for securing clothes lines and letter boxes. The sheet rules out structural applications.
- Coverage per post hole: approximately 2 × 20kg bags.
- Wet the hole first. Sandy or fast draining soil may need a plastic lining so the water does not seep into the ground.
- Brace the post in the hole, pour in the amount of water the bag gives, then pour the bag in evenly around the post straight away.
- Supports can come off after 1 hour, depending on the air temperature. Test that the post is stable before you remove them.
Who it helps: Anyone setting fence or pergola posts, clothes lines or letter boxes, and staff answering how many bags a post needs.
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This document is published by Cement Australia, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.