Cons of Sika Post Fix It’s for lightweight posts, so it can easily get destroyed It requires you to use several bags when fixing a bigger hole
Full Answer
Is Sika post fix strong?
3:203:54Installing a Fence Post with Sika Post Fix vs. Concrete Post Mix (feat. Mike ...YouTubeStart of suggested clipEnd of suggested clipAnd sets in only three minutes it reaches full strength in about two hours no need to wait forMoreAnd sets in only three minutes it reaches full strength in about two hours no need to wait for concrete to harden before fencing. It's a clear win in my books as far as I'm concerned Sika postfix.
Is expanding foam as strong as concrete?
Concrete provides a strong support for these products. Expanded foam has nowhere near the density or rigidity. It is plenty strong enough to hold the post up under normal circumstances, but has little structural strength.24-Aug-2021
Can you use Sika post fix in cold weather?
Seals and protects base of post. Compatible with use in cold conditions without need for additives. Packaging 979 mL (33 US fl. oz) pouches.
What is the best cement for fence posts?
Quikrete Fast Setting Concrete MixFor a small to mid sized job I recommend going with premixed. The best concrete mix for fence posts I've found is Quikrete Fast Setting Concrete Mix in a 50 lb bag. It's 4000 psi, easy to work with, sets up fast, and doesn't need to be mixed. Just pour it in the hole and soak with water.
How hard does spray foam get?
Once it's applied, the spray foam expands quickly, filling in even the smallest cracks and gaps. The foam will also harden quickly to create a strong air barrier. Spray foam insulation can expand to over 30% of its original size and custom fits around framing.
Can Sika foam be used for decks?
Can Sika® PostFix® be used to set a deck post, playground posts, basketball pole or flag pole? Sika® PostFix® is not recommended for these types of applications. It is not recommended for any type of structural application.
How much Sika do I need?
Sika® Post Fix: One 979 mL pouch yields approx. 20 L (0.7 ft3) of expanded foam. Let's take a standard 25-post fence job, your project will require: 50 bags of concrete mix (count 2 bags of concrete mix per post)19-Sept-2016
Can I use quikrete for fence posts?
0:001:38How to Set Posts in Concrete (without mixing) - YouTubeYouTubeStart of suggested clipEnd of suggested clipOnce you have dug your post hole add about six inches of quikrete all-purpose. Gravel into theMoreOnce you have dug your post hole add about six inches of quikrete all-purpose. Gravel into the bottom of the hole. Then compact. And level the gravel using a post or 2x4.
Do fence posts rot in concrete?
Unlike wooden fence posts concrete is not a degradable material and cannot be penetrated by rot or insect attack which is why people choose to opt for concrete over timber.08-May-2019
How do I keep my post level while concrete dries?
You need to level it in two directions with a 4-foot level. After getting it straight in the first direction, hold one of the braces against the post and drive a single screw to connect the brace to the post. You can then level and brace the post in the other direction and begin filling the hole.
What is a Sika postfix?
Sika postfix is a versatile expanding foam that you can use to set posts made from different materials. It is designed to seal the hole and protect the base completely. Once you use this foam, you don’t have to worry about the post losing its stability quickly.
What is the best foam to use for a fence post?
If you wish to set a fence post around your compound, you have to buy the right product. Most homeowners choose expanding foam such as Sika postfix. This is a good expanding foam that can easily fill the cavity and create a strong seal within the surrounding soil. It is also lightweight, consistent, and sets in a few minutes.
How many ounces is a Sika postfix?
Some users also don’t like the lightweight of this expanding foam. They reveal that it is more like glue rather than an anchor. Sika postfix also comes with a 33 fl. oz. bag.
What is the job of John Smith?
Smith is a natural when it comes to gardening and when combined with his acquired degree in landscape design, you can expect a high-quality professional job, thanks to his experience and expertise. During his free time, Smith does gardening as a hobby and runs forums where he offers expert ideas on gardening.
Is Sika postfix good?
Sika postfix is a good type of expanding foam that can help you secure posts in different positions well. It is easy to work with and offers a solid foundation for different posts. Since the cons are less than the pros, this is an expanding foam that is worth considering. FAQs.
Is Sika postfix reusable?
Unlike concrete which can be reused, Sika postfix is not reusable. If you still want to set a post using the Sika postfix, you should avoid exposing it to high heat conditions since this can accelerate the expanding reaction and make the bag burst before using it to fill the hole.
Is Sika postfix good for setting posts?
Though Sika postfix may seem like the best-expanding foam for setting posts, you should understand its flaws. One of them is that it comes at a higher price compared to other types of expanding foams. You should, however, consider it since it can give you value for your cash.
Sika postFix Pros
It is high in strength and water-resistant so, it does not decompose your hardwood fence posts, disintegrate during winter due to the freezing of moisture, or alter your fence over time. SIKA Postfix Fence Post Mix is also resistant to freezing temperatures without the addition of additives.
Sika postFix Cons
You should not use SIKA Postfix Fence Post Mix for structural posts, as this will cause a significant waste of product. Using this kind of post-mix is likely to be more expensive than the standard concrete mixes.
What is Sika Postfix?
It is advertised as a “ two component, mix-in-the-bag expanding foam [that supports] non-structural posts such as a fence, mailbox, or sign posts. ”.
Why use concrete for fence posts?
Concrete is used to set fence posts primarily because of its strength and how long lasting it is. Despite expanding foam being a better option for certain reasons, concrete is a great option if you want your posts to be secure.
What is the best way to set a fence post?
The two most viable options for setting a fence post is using expanding foam or concrete. Between expanding foam and concrete, expanding foam is the better option for setting fence posts. However, concrete is also a classic and viable option and can be done quite easily like expanding foam . The reason that expanding foam is such a great option is ...
Why is expanding foam good for fence posts?
The reason that expanding foam is such a great option is because it expands widely filling the surrounding cavities creating a strong seal. Let’s get into the difference between expanding foam and concrete for setting fence posts.
How long does it take for expanding foam to set?
Many expanding foams can set within three minutes of application, making it a quick method. Typically speaking, expanding foam is sold in bags that need to be mixed before applying. It has become extremely common to use expanding foam to set fence posts and mailboxes because of how effective it is.
What is the advantage of expanding foam?
The key advantage expanding foam has over concrete is within the expansion itself. Because expanding foam expands up to 15 times its size, it goes the extra mile in securing a fence post. The cavity beneath the post gets completely filled by the expanding foam which gives it extra security.
How long does foam last in fence posts?
Good quality polyurethane foam can last between 3 and 5 years, on average. Expanding foam is known to be incredibly durable and not break down easily.