What is expanding foam fence post?
Expanding foam fence post mix is a two-part polymer. Expanding foam is popular as a gap filler and insulator. It is usually provided in an aerosol can or will be pumped using dedicated equipment in commercial applications. Expanding foam for fence post fixing is a two-part polyurethane resin supplied in a lightweight pack.
Can I use new foam to stabilize support posts?
Yes, you can use the new foam that is available to stabilize support posts. But make sure the post is treated for ground contact and that you follow these principles for footings. This opens in a new window. Hey, here's a great question from Chris from Beavercreek, Ohio.
What is expanding foam?
Expanding foam is a product that is meant to expand and harden when it comes into contact with air. Most often found in a canister with a spray nozzle, expanding foam is easy to apply in a variety of situations. Though it is generally used as a form of insulation, it can also be used to support fence posts.
Can I use post setting foam instead of concrete for footers?
Has anybody used post setting foam in place of concrete for post footers? Yes, you can use the new foam that is available to stabilize support posts. But make sure the post is treated for ground contact and that you follow these principles for footings. This opens in a new window.
Can you use expanding foam for deck posts?
As a review, there are benefits to expanding foam for deck posts that are apparent like smaller bags, no messy mixing and great load bearing abilities, but there are also great advantages happening at the molecular level when it comes to the chemical bonds of the product giving this material the benefits of durability ...
Can I use expanding foam for fence posts?
Expanding foam fence post mix is a two-part polymer. It is usually provided in an aerosol can or will be pumped using dedicated equipment in commercial applications. Expanding foam for fence post fixing is a two-part polyurethane resin supplied in a lightweight pack. The two components react when mixed.
Can expanding foam be used outside?
This expanding foam is definitely weatherproof. I used it outside and within an hour it was raining. The foam kept its shape and stayed firm.
Can you use spray foam to set a post?
1:339:01Does Fence Post Foam Really Work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor about 15 seconds. You would cut the corner and pour it in the hole.MoreFor about 15 seconds. You would cut the corner and pour it in the hole.
Where should you not use expanding foam?
When NOT to Use Spray Foam InsulationFor areas that are too close to electrical boxes:For areas too close to ceiling light boxes:Open-cell spray foam on your roof:For closed-cavity spaces:If you have a history of skin, respiratory, or asthma problems:
Does expanding foam set hard?
Expanding foam is a can of liquid that quickly expands and hardens once sprayed. Once dried, it can be trimmed, sanded and painted. It is ideal for sealing gaps around pipes and wires; essential for energy efficiency, to keep your home warm.
How long does expandable foam last?
With proper application, Spray Foam will last the lifetime of your home. Even roofing applications will last upwards of 30 years, with proper long-term maintenance. Spray Foam insulation adheres extremely well to virtually all substrates, and maintains its rigidity once dry.
Does expanding foam make a waterproof seal?
So does watertight expanding foam completely seal out water? In this case – absolutely! Open-cell spray foam insulation does not have the same level of resistance to water absorption. However, once wet it does not stay wet.
Is self expanding foam waterproof?
Moisture-curing, self-expanding foam adheres to all common building materials. Resistant to water, heat and ageing. Ideal for filling large holes, voids, gaps around window and door frames and around exterior pipes.
Does Sika post fix work?
1:113:54Installing a Fence Post with Sika Post Fix vs. Concrete Post Mix (feat. Mike ...YouTubeStart of suggested clipEnd of suggested clipActually replaces two bag of post cement they're working like crazy I'm talking I'm playing. YouMoreActually replaces two bag of post cement they're working like crazy I'm talking I'm playing. You just open it up it's a two-part mix nice and simple all you do is follow the arrows lay it down roll.
What to use for setting posts?
Fast-setting concrete is ideal for installing fence posts since it doesn't need to be mixed in a bucket or a wheelbarrow. Once you've finished digging your post holes, add about three to four inches of gravel into the bottom and compact it using a post or a 2x4.
What do you fill post holes with?
To help slow such deterioration, add pea gravel or crushed stone to the bottom of the posthole. Once you have added gravel to a depth of three inches or so, use a piece of scrap lumber to tamp down the layer. Next, pour an additional three inches of gravel into the hole, tamping down a second time.
Expanding Foam vs Concrete Fence Post - Bob Vila
Concrete is much heavier but costs less than expanding foam. When setting fence posts in concrete, experts recommend using at least two 50-pound bags of store-bought mix for a 4×4-inch post in a ...
Setting Posts in Concrete vs. Gravel vs. Expanding Foam
I have six 4x4 redwood posts that need to be anchored to support privacy screens. Holes are dug and are about 12 inches diameter, 30 inches deep.
Expanding Foam vs. Concrete Fence Post: Which Option is Best for Your ...
Concrete is the traditional material used to set fence posts. Concrete is made by mixing cement with water, and adding an aggregate that’s usually sand, gravel, or a combination of both. The ...
Expanding foam deck posts
Do you have any experience with expanding foam for setting deck posts? I see a product on the Menards website advertising "fast 2k quick foam post anchor". I'm pretty suspect of the claims that this is all that is needed for deck posts, I've always used concrete. I'm in central Minnesota where frost is a real issue.
Re: Expanding foam deck posts
I actually tried this exact product on a fence post replacement last spring. I live in Saskatchewan so our weather issues are very similar. Our frost has not come out this year yet but I want to see how this stuff held up once it does. I am sceptical about the performance over time.
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.
What is expanding foam?
Expanding foam is a product that is meant to expand and harden when it comes into contact with hair. Most often found in a canister with a spray nozzle, expanding foam is easy to apply in a variety of situations. Though it is generally used as a form of insulation, it can also be used to support fence posts.
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 ...
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.
Find out the difference between expanding foam and concrete fence posts, and learn when to use each setting method
Concrete in some form or another has been around for thousands of years. The modern cement-based version first appeared in the mid-1820s, and generations of DIY enthusiasts and professionals have used it. It is inexpensive and, when mixed properly, can be very durable.
Concrete is the traditional material used to set fence posts
Concrete is made by mixing cement with water, and adding an aggregate that’s usually sand, gravel, or a combination of both. The proportions are important. It might often seem as if it’s thrown together with little care, but the wrong mix can be weak and prone to crumbling or cracking. When made properly, it can last 50 years or more.
Expanding foam fence post mix is a two-part polymer
Expanding foam is popular as a gap filler and insulator. It is usually provided in an aerosol can or will be pumped using dedicated equipment in commercial applications. Expanding foam for fence post fixing is a two-part polyurethane resin supplied in a lightweight pack. The two components react when mixed.
Concrete is much heavier but costs less than expanding foam
When setting fence posts in concrete, experts recommend using at least two 50-pound bags of store-bought mix for a 4×4-inch post in a hole 2 feet deep (available at The Home Depot ). Buying concrete like this is a good idea because it takes the guesswork out of preparation. Just add water and pour.
Concrete takes longer to fully cure, and foam sets in much colder conditions
When using concrete as a post hole filler, it’s usually necessary to provide some kind of temporary support, because the concrete won’t normally set sufficiently for the post to stay upright on its own for at least 30 minutes.
Common fence post repair products are not compatible with expanding foam
A variety of brackets and fence post repair spikes can be used to secure wooden fence posts that have been damaged, or where there is some decay. Concrete provides a strong support for these products.