What is the difference between Postcrete and concrete?

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. Postcrete has additives that have been formulated specifically for setting wooden, metal or concrete posts into the ground on smaller projects, including fencing.

Can Postcrete be used as concrete?

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.

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.

Is post mix as good as concrete?

Post mix is a readymade concrete mix which is ideal for setting timber, metal or concrete fence posts, gate posts and line posts. The mixture consists of cement and ballast and produces good quality concrete, which is fast setting so you can have your posts ready and set in no time.

Can you use Postcrete for foundations?

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.

Rapid-set vs regular concrete

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.

Can I use Postcrete for patio slabs?

Postcrete isn't designed or suitable for general concreting.

How much Postcrete do you need per post?

The exact amount of Post Mix Concrete needed will vary depending on the width and depth of the hole, but as a general rule you'll need about one and a third bags for a standard fence post.

Can you mix Postcrete with sand?

Re: Using postcrete between paving flags

If you are going to use sand and cement and I suggest you should then you should use sharp sand, not soft. Postcrete isn't really the stuff I would recommend. I'd suggest a high ratio of cement to sand - say 3:1 (sand : cement) and mix it as a slurry.

Can you use Postcrete in winter?

You need to insure that the concrete does not freeze or it will simply not set. However with postcrete that's pretty much a non-problem. You have a short (8-10mins max) so mix in the whole rather than attempt to mix then pour in the hole.

Is Postcrete any good?

Postcrete is good stuff but of course more expensive. Some people advise putting gravel at bottom of hole before filling to allow drainage - no idea if that's a good idea or not but was done on mine and still pefectly fine 10 years on.

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.

Can I use Postcrete 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 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.

Is 2 feet deep enough 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).

How big of a hole do you need for a 4x4 post?

The diameter of your post hole should be three times the diameter of your post. So, if you're planning on using a four-inch round or 4x4-inch square post, your post hole will need to be 12 inches in diameter. For a six-foot-high fence post, we would need a hole that's 36 inches deep and 12 inches in diameter.

How many fence posts does one bag of Postcrete do?

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 add water to Postcrete?

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 is Blue Circle Postcrete?

Blue Circle Postcrete is a durable, ready to use product formulated for fixing wooden, concrete and metal fence posts plus small gateposts and rotary washing lines. Features & Benefits: No mixing required - simply pour water into the post hole and add Postcrete. Sets quickly in 5-10 minutes.

Can you pour concrete in the rain for fence posts?

Calcium chloride is an accelerating agent which when added to concrete will increase the rate of early strength or shorten the time of setting of the mixture. Calcium chloride is the most common accelerator used when speaking about concrete. Avoid setting your fence posts in the rain!

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.

How long does it take for post mix to go off?

At a guess it won't be "fully"* cured for at least 10 to 12 hours, but it'll be around 80% or more cured within a couple of hours. After 24 hours it will be around 90% cured, about as cured as it's going to get, anyway, in the short term.

Whats the difference between cement and concrete?

What is the difference between cement and concrete? Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.

How big is a Postcrete hole?

The width of the post hole should be 3 times the width of diameter of the post. For example, if you are erecting a 6 foot high fence using 4 inch fence posts, the posts need to be 6 feet above the ground. 6 divided by 3 is 2, therefore the depth of the hole required is 2 feet.