Is post foam better than 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.
What is the best post concrete?
For 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.
What is the difference between concrete and Postcrete?
Depending on its application, traditional concrete can take between 24-48 hours and 7 days to set properly and will reach its optimum strength after 25-28 days. 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.
What is the best concrete for fence 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 2×4.
What’s the best concrete for fence posts?
How long does it take for Sika post fix to dry?
Allow approximately 2 hours for the product to set completely before installing the fence or attaching gates, etc. to the post. Remove excess material immediately before cure using either a solvent-based cleaner or clean cloth to remove splatters of uncured material.
Can I use Postcrete instead of concrete?
Postcrete may not be used for general concreting, screeds, mortar, grout or render. If a particular compressive strength is required, Postcrete should not be used.
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.
Is quikrete as strong as concrete?
Quikrete fast setting concrete is just as strong as regular concrete. Concrete gets its strength from a chemical reaction that occurs over time during curing. After it’s had time to cure, which usually take 28 days to complete, Quikrete can reach strengths up to 5000 psi.
What else can Postcrete be used for?
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.
Can I use Postcrete as a foundation?
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.
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).
Will squirrels chew through expanding foam?
A determined squirrel can and will chew through most any wood or gypsum product (drywall) to get in and can do so in a hurry. The spray foam idea won’t stop them so don’t bother.
Does anything dissolve expanding foam?
Acetone is a solvent that dissolves uncured polyurethane foam and can be used to clean up foam before it cures. Acetone-based nail polish remover will also work to remove uncured foam.
What is the strongest Quikrete?
QUIKRETE® 5000 Concrete Mix (No. 1007) is a commercial grade blend of stone or gravel, sand and cement specially designed for higher early strength. Ideal for cold weather application. Achieves 5000 psi after 28 days.
How to use Sika postfix® fence post mix?
Sika® PostFix® Fence Post Mix 1 Simple application – just roll, mix, cut and pour 2 Sets in as fast as 3 minutes 3 High strength and resistant to uptake of water 4 Seals and protects base of post 5 Compatible for use in cold conditions without the need for additives
What is postfix made of?
It has been specifically formulated and packaged to provide a lightweight, mix-in-the-bag, and fast-setting backfill for wooden, PVC and steel in-ground supports. Sika® PostFix is based upon Sika’s proven foam technology and designed for easy, convenient and quick support of many types of posts.
What is the best temperature to mix Sika® postfix?
Keep material between 65 and 77 °F (18–25 °C) for at least 2 hours before mixing and use. Sika® PostFix will react faster in warmer temperatures. Before mixing: Wear safety goggles.