What's the difference between concrete and Postcrete?

Depending on its application, traditional concrete can take between 24-48 hours and 7 days to set properly and will reach its optimum strength after 25-28 days. Postcrete, on the other hand, is the name given to a post mix concrete, which is a ready to use blend of concrete ingredients that requires no mixing.

Is Postcrete the same as cement?

Postcrete or Post Fixing Mix is a ready to use blended cement with additives formulated for setting wooden, concrete and metal fence posts into the ground. With only the addition of water a Post Fixing Mix sets in 10 minutes and comes in handy 20kg bag.

Can I use post mix instead of concrete?

Post Mix is a very useful and versatile readymade concrete mix which is ideal for many jobs, whether it is DIY or larger scale.

Is post mix the same as Postcrete?

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

Can I use Postcrete as concrete?

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.

Rapid-set vs regular concrete

Can I use Postcrete as a foundation?

It will set in a day. You would be better advised to lay the foundation one weekend and build the wall the next.... Postcrete should just be used for setting fencing posts,not really suitable for anything else.

How many posts does 20kg Postcrete do?

depends how 'good' are your holes. 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.

Can you use Postcrete for paving slabs?

Re: Using postcrete between paving flags

I wouldn't use postcrete as it contains small stones and is not really fine enough to fill joints satisfactorily.

What is the strength of Postcrete?

Very strong and extremely durable with a compressive strength of 40N/mm2 at 28 days. Ideal for: • Structural Concrete • Drives • Steps • Paths POSTMIX High quality pre-mixed formulation, specially designed for the fast setting of wooden, concrete or metal fence post.

How long before Postcrete goes off?

After 24 hours it will be around 90% cured, about as cured as it's going to get, anyway, in the short term.

Are Postcrete bags waterproof?

POSTCRETE is packed in weatherproof plastic packaging. POSTCRETE is a cement-based material and should be handled and stored with care. This product may be stored, unopened in either indoor or outdoor conditions. Information on the maximum storage period can be found on the bag.

Can you use normal concrete 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).

Can I put Postcrete in before water?

Postcrete is designed to be put in the whole dry. Normally after you put the dry concrete and the post in the hole you just pour water in on top of the dry mix.

What size hole does a bag of Postcrete fill?

Just over one bag per hole should be sufficient, blue circle postcrete suggest 1 bag will fill a 8 x 30 inch hole with a 4x4 post. You're dimensions are slightly bigger than that so better to be safe than sorry and have a bit extra.

Can you use Postcrete on driveways?

Postcrete isn't designed or suitable for general concreting.

What should I put between concrete slabs?

An expansion joint is a material placed in the cracks (or joints) between concrete slabs to protect the slabs from cracking when they contract and expand as the temperature changes. This material acts as a shock absorber, absorbing the stress from the slab's movement.

Is 2 feet deep enough for fence posts?

The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post's aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.

How deep should a 3 foot fence post be?

The general rule of thumb when setting a post is that the depth of the post's hole needs to be one-third to one-half of the actual above-ground height of the post. So, a six-foot-high finished post ideally needs to be buried three feet into the ground.

How deep should hole be for fence posts?

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). Add about 6 inches of QUIKRETE All-Purpose Gravel into the bottom of the hole.

Can I use Postcrete for decking posts?

Postcrete isn't really meant to be used that way. You set the posts with the dry mix around it and then add water. I also wouldn't be worrying about frost lines for decking.

Can Postcrete be used for shed base?

You could possibly use the postcrete but it would be better if you mixed it with water and not put in the hole as a dry mix.

Can you use Postcrete for sleepers?

There are three main methods for securely attaching sleepers to the ground. Pre-drill the sleeper and insert a metal rod to (at least) the depth of the sleeper. Screw-fix a metal log roll pin or wooden stake – one to each end of the sleeper. Dig a 75mm deep trench and use postcrete to provide a base 25 – 30mm deep.

Do you need sand for Postcrete?

A ready to use blend of selected sand, cement and additives formulated for fixing wooden, concrete and metal posts. 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.