Is expanding foam or concrete better for fence posts?
Aug 24, 2021 · 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...
Can I use post setting foam instead of concrete for 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. For more information, check out this video: Post Setting Foam in Place of Concrete for Post Footers - Content 2.0 from bTitan Building Products on Vimeo. LIVE.
Should you use expanding foam or concrete for concrete floors?
A mere 2 ½ lbs. of foam can replace 60 lbs. of concrete. Sounds much lighter, and as you might've guessed, much cheaper too. These slow rise foam bags are around $10 to $15 - much cheaper than the average concrete price. The real question is is it as strong as concrete? This foam can withstand 3000 to 4,000 pounds of force without shearing.
Does post hole foam break down in a hole?
May 25, 2020 · If you are going to be setting a deck/fence post and just don't feel like mixing concrete, check out this fence setting foam from Sika. Buy HereSika Fence P...
Which is better foam or concrete for fence posts?
Cost – When comparing price, you will find that a bag of concrete will cost less than a bag of post foam. Heavier – Concrete weighs more than post foam material providing an anchor effect. This is beneficial for those building fences in softer ground.
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.
Can you use foam to set fence posts?
9:4012:01FOAM VS. CONCRETE - Fence Post Setting Test. This may be one of the ...YouTubeStart of suggested clipEnd of suggested clipHard foam it's for post setting. And what I would say is if you're gonna have a lot of load like ifMoreHard foam it's for post setting. And what I would say is if you're gonna have a lot of load like if you're gonna go on your deck. You know I would probably use a traditional concrete. But if you're
What can I use instead of concrete for fence posts?
Fence posts can be anchored with gravel, resulting in surprisingly strong anchors that also drain away moisture to prevent water damage. Posts can also be secured using fence post spikes – which are specially made metal anchoring spikes that don't require digging to install.
How do I put a post in the ground without concrete?
Procedure:Find a concrete surface and lightly tamp your digging iron against it. ... Remove the turf and topsoil from the site of the post. ... Dig the hole putting the displaced earth onto the tarp. ... Pour 4 inches of gravel into the hole.Place the post in the hole. ... Add another 2 inches of gravel around the base of the post.More items...•
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:
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 ...
How long does secure set foam last?
Secure Set is a green product and environmentally safe. As an inert plastic foam, Secure Set has an expected life of more than 40 years.
How do you install fence posts without cement?
5:018:06How To Set Up a Fence Post Without Concrete! - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo in this case we've put braces here to hold it to firm and straight. And now we're going toMoreSo in this case we've put braces here to hold it to firm and straight. And now we're going to proceed to put the dirt. And bit of cements you don't have to use cement.
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.
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.