It sets quickly in 5-10 minutes and is supplied in a weatherproof, tear resistant plastic bag. Note that the minimum working temperature for Postcrete is 3°C. No mixing, simply pour in to water.
Will post mix set in the rain?
a fence post will probably be fine if it was a good mix. Concrete will cure under water. the top at ground level may look a bit like exposed aggregate if it wasn’t covered but it is better than being two hot (causing cracks) or two cold and not setting up . Good comment.
How long does cement take to cure for fence posts?
But to answer the question of, “How long does concrete take to set?” concrete setting time is generally 24 to 48 hours. At this point the neighborhood dog will not leave his footprints in it, but you should keep it clear of heavy equipment during this time period. Most mixes are cured at 28 days.
Is one bag of Postcrete enough for one post?
“Usually one bag of postcrete per post is enough, however you can use a two bags per post if you feel this is needed. The instructions are on the bag.”How good is Postcrete?
Perhaps the biggest benefit of postcrete however is that it sets within 5-10 minutes in suitable conditions, fully hardening within hours. What this means on a practical level is that a series of fence posts can be installed in rapid succession which makes it easier to maintain a consistent pace across a project.
Will Postcrete set at 0 degrees?
Please note: The minimum working temperature for Postcrete is 3 degrees centigrade.
Can you add water to Postcrete?
Do not mix POSTCRETE with water by hand or machine.
Is Postcrete any good for concrete posts?
Post Mix Concrete is a versatile, pre-mixed and fast setting concrete product, ideal for both DIY and professional use. In the garden it provides strong foundations for gate posts and fence posts without the need for measuring different materials or a cement mixer.Is rain OK on new concrete?
If the rain occurs when the concrete is fresh (about 2-4 hours after mixing), the surface should be protected from the rain. … If the concrete has stiffened to the point where it is ready for grooving and grinding (typically 4-8 hours after mixing), damage due to rain is usually no longer a concern.
Is Postcrete OK for decking?Where possible the base of the post needs to be raised so that water will not collect at the base and rot the wood. This is easy to do and can be achieved by using more postcrete than necessary in order to make a small mound at the base of the post.
Article first time published onHow 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 4×4-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.
Is 2 ft deep enough for fence post?
2 feet is the minimum depth that you should dig your fence post holes for. To dig the holes one-third to one-half of the post’s aboveground height, is a general formula. The deeper you dig the holes, the more stability your fence has.
How long should concrete cure before putting weight on it?
Curing time of concrete is typically 24-48 hours, at which point it’s safe for normal foot traffic. After one week, concrete is typically cured enough to handle continued construction including heavy machinery.
How long does concrete take to harden?
Concrete typically takes 24 to 48 hours to dry enough for you to walk or drive on it. However, concrete drying is a continuous and fluid event, and usually reaches its full effective strength after about 28 days.
What strength is Postcrete?
additional strength and long- term durability. 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.
What is Blue Circle Postcrete?
This Blue Circle ready to use Postcrete is a ready-mix Portland cement with a blend of selected sand, cement and additives formulated for fixing all kinds wooden, concrete and metal posts. It comes in a convenient weatherproof and tear-resistant plastic bag. Easy to use just add to water.
What happens if you add too much water to concrete?
Effects of too much mixing water Lower compressive strengths. Segregation of the concrete mix under certain conditions resulting in variable quality throughout the concrete mass. Cracking – with too much water, there will be lower tensile strength, and a tendency towards high shrinkage and subsequent cracking.
How many posts will 1 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 4×4 post.
Should I mix Postcrete?
Postcrete is ready to use. No mixing is required.
What is Mastercrete used for?
Mastercrete is the UK’s bestselling cement , its multi-purpose ability makes it perfect for Concrete, Render, Bricklaying and Floor Screeds. Mastercrete has improved resistance to the cracks caused by freeze/thaw attack when compared to traditional cement. It produces a superior smoother and more consistent mix.
Can you concrete fence posts in cold weather?
Pouring concrete for fence posts is more difficult in cold weather, as freezing temperatures can damage the concrete as it sets up. You must take extra precautions to ensure that the concrete stays warm enough to set and harden without freezing.
What temperature can you use post mix?
Recommended ambient application temperature is 5oC to 25oC. Do not use when air temperature is below 5oC or when ground is frozen. Protect newly placed Postmix Concrete against frost and rain by using hessian or polythene sheeting. In dry or windy conditions, do not allow the Postmix Concrete to dry out too quickly.
Can you use quick set concrete for fence posts?
Setting posts one at a time is a good idea, but make sure all your posts are braced and ready if using Rapid Set Concrete. Rapid Set Concrete will harden in 15 minutes or even faster on a hot day. Be prepared to complete your project quickly.
How many bags of concrete do I need for a 4x4 post?
Depth50 Lb Bags24″30″432″36″5
Can you add sand to Postcrete?
RE: Recipe for Concrete using postcrete and 20mm gravel please. A basic mixture of mortar can be made using the volume proportions of 1 water : 2 cement : 3 sand. Most of the student activities can be conducted using this basic mixture.
Can I drive on concrete after 2 days?
Although concrete will harden soon after pouring, it’s still susceptible to damage from weight during the first four weeks. Wait at least 24 hours before allowing foot traffic, including pets, on a newly poured sidewalk or slab, and don’t drive a vehicle on a new driveway for at least 10 days.
Why does my new concrete look blotchy?
But if the sealer isn’t applied uniformly to begin with, or if not enough coats are used, the slab will appear blotchy upon drying. This is caused by the sealer filling in some of the valleys, but not all, and failing to remain on top of the hills.
When should I start watering new concrete?
To put it simply, the goal is to keep the concrete saturated during the first 28 days. The first 7 days after installation you should spray the slab with water 5-10 times per day, or as often as possible. Once the concrete is poured the curing process begins immediately.
Can I use post mix to lay slabs?
2 Answers from MyBuilder Groundworkers Recommend Just a decent hard-core sub base (100mm+) with ideally a 6:1 part dry ballast mix and to lay the slabs 6:1 sand & cement will suffice .
What is the best post mix?
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).
When building a deck How far apart should the posts be?
In general, posts should be spaced no more than 8 feet apart. Some builders position them every 4 feet for a completely rigid frame. The maximum distance between footings is determined by the size of your joist material.
