Can I use Postcrete as concrete?

Asked By: Soria Guiberrizaga | Last Updated: 11th January, 2020
Category: home and garden home appliances
4.7/5 (2,277 Views . 12 Votes)
Postcrete may be used for the purposes of fixing domestic posts. Postcrete may not be used for general concreting, screeds, mortar, grout or render. If a particular compressive strength is required, Postcrete should not be used.

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Considering this, can I use Postcrete for foundations?

Because of the small area, we decided not to mix our own concrete, but to use Postcrete instead. Postecrete is a ready mixed concrete type mixture. It comes in bags that we could just tip into the prepared trench. Unlike normal concrete, you have to make sure that the Postcrete is level before you water it.

Furthermore, what's the difference between concrete and Postcrete? Hi all, If I want to set a new wooden post into the ground, what's the difference (FFS)? Concrete takes several hours or a day or two to set. Postcrete sets in a few minutes, several tens of seconds, even, so you don't have to support the post for nearly as long as you do with concrete.

Correspondingly, what can Postcrete be used for?

POSTCRETE may be used for fixing decking posts, rotary washing lines and small/medium sized gateposts (less than 1.0m width gate). POSTCRETE may not be used for general concreting, screeds, mortar, grout or render. If a specified compressive strength is required, POSTCRETE should not be used.

Do I have to use concrete for fence posts?

Concrete is the most secure material for setting fence posts, especially if you have sandy soil. Gravel may be okay with dense, clay-heavy soil, but in looser soil, concrete is the only thing that will truly keep your fence posts stuck in place.

35 Related Question Answers Found

What is Postcrete made of?

postcrete is made with bone dry materials and its accelaration is down to chemicals which are activated by water. You can make your own, but be prepared to clean everything IMMEDIATELY after each mix. If you use a cement mixer, wave bye bye to the drum it will get cemented up instantly.

Can you mix Postcrete in a bucket?

Dig hole, pour in bucket of water, pour in bag of postcrete. No mixing.

Is rapid set concrete strong?

All concrete is strongest when there is sufficient water to ensure a full chemical reaction and no more. Over-wet concrete will end up as a weaker structure whether rapid set or regular concrete - that's why accurate measurement of all parts of the mix is essential.

How much is a bag of Postcrete?

you will need minimum 1 bag per post. I usually use one and a half per post but I am using 25kg bags. often poscrete is in 20kg bags so 2 per post is more likely.

What is post mix concrete?


Post Mix Concrete is a ready-mixed concrete, a mixture of cement and ballast. It's sometimes referred to as Postcrete and is specifically designed for setting timber, concrete or metal fence posts.

How does post mix concrete work?

Post Mix is also sometimes known as postcrete. The mix is a kiln-dried, pre-blended, factory-produced, quick-setting concrete which hardens in approximately 10 minutes after water addition, depending on ambient conditions. Dig hole to required size for post, half fill hole with water and place the post in the hole.

Is Postcrete waterproof?

With just the addition of water and with no mixing required; Postcrete sets in 10 minutes and comes in handy 20kg weatherproof, tear resistant plastic bags. Minimum working temperature for Postcrete is 3 degrees centigrade.

Can I use Postcrete in the rain?

Brace the post so it does not move while the concrete sets up. While the rain will provide plenty of ground moisture, doing this project in the rain may introduce too much groundwater to the mix, weakening the finished product. The rain can also cause problems with the curing process of the concrete.

How deep should post holes be for fence?

Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

How long does it take for a fence post to set in concrete?


Typically, you can apply some weight to the posts after 4 hours, but it's a good idea to wait at least 24 hours before resuming fence construction. Standard concrete mixes may take up to two hours to set and should cure for 24 to 48 hours before any forces are applied to the posts.

How many bags of cement do I need for a fence post?

Also 1-1/2 bags per hole is about right for a 4x4 fence post. Also remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6' above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground).

How do you mix cement for fence posts?

In terms of the ratio to use for a concreting fence posts, the best mix is a mix of 1:2:4 (1 cement, 2 sand, 4 aggregate). Concrete is always best mixed using a cement mixer to ensure it's even, but if you only need to mix a little, hand mixing is ok (see mixing concrete project above for tips on how to do this).

How big is a Postcrete hole?

how much postcrete do i use? With a 240cm x 10cm post typically 60cm will be below the ground, the width of the hole would be 30cm. 2 bags of Postcrete will fill the hole approximately half full, once the post is level you can backfill the hole and compact it.

Can you use rapid set for fence posts?

Part of the 'Just Add Water' range, Rapid Set Concrete product is suitable for fixing fence and pergola posts, clothes lines and letterboxes.

What is post mix?


Post Mix, by definition, is a soft drink that is mixed (syrup with carbonated water) after (post) leaving the tank, as opposed to PRE mix, which is mixed before (pre) it is dispensed. Examples of pre-mix include 20 oz. bottles, 16 oz. cans, 2 liter bottles, or 5 gallon tanks like the ones at the State Fair.

How deep should a concrete spur be?

The amount required of either product depends on the size of the hole that the spur is going into. When concreting repair spurs into the ground the posts should be buried a minimum depth of 2ft into the ground .

How many bags of Postcrete do I need?

"Usually one bag of postcrete per post is enough, however you can use a two bags per post if you feel this is needed.