What is post hole mix?
Not a problem, Post Hole Mix is a pre-mix product with the correct amount of sand to gravel (or metal) ratio. With this mix all you need to do is add the cement (which we also stock Blue Circle Cement) and water and it’s ready to be poured.
How many bags of concrete do I need for a post hole?
Most fence post holes will need between 1 – 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.
How long does concrete take to cure in a post hole?
Typically, you can apply some weight to the posts after 4 hours, but it’s a good idea to wait at least 24 hours before resuming fence construction. Standard concrete mixes may take up to two hours to set and should cure for 24 to 48 hours before any forces are applied to the posts.
How many 20kg bags of concrete do I need?
Drymix Products
| One 20kg bag makes: | To make 1m3: |
|---|---|
| 0.009m3 OR 9 Litres | 110 bags |
| Packaging | |
| 20 kg bag size | 60 bags to a pallet (1.2 tonnes) |
What area does a 20kg bag of premix concrete cover?
1.1m2
one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.
How tall should a fence be for a 6-foot fence?
2 feet
As a general rule of thumb, you’ll need to place at least 1/3 the height of the post in the ground. For example, a 6-foot tall fence will need at least 2 feet of post in the ground.
What is post Crete?
What is Postcrete or a Post Fixing Mix? A ready to use blended cement with additives formulated for setting wooden, concrete and metal fence posts into the ground. With only the addition of water a Post Fixing Mix sets in 10 minutes and comes in handy 20kg bag.
What kind of cement to use for post hole?
Boral Cements Blue Circle® Post Hole Concrete is a proportioned blend of dry aggregate, graded sands and cementicious additives suitablefor post hole applications where lower than normal strength is acceptable.
How does Boral envirocrete reduce the environmental impact of concrete?
Boral Envirocrete® is a product that is carefully designed to use waste materials in the manufacture of concrete and thereby reduce the environmental impact. In Post Tensioned concrete, the steel is tensioned and concrete is compressed, placing both building materials in their strongest states.
How to calculate the volume of concrete for a hole in a post?
Calculate the volume of the hole in cubic metres (using V = πr2h)* and subtract the volume of your post (This will give you the volume of concrete required). Simply multiply the volume figure by 108 (108 bags per cubic metre) to give the amount of 20kg bags needed to fill the void.
What do you need to know about Boral North America?
Boral North America brings a diverse array of premium brands under one banner to provide the highest quality architectural solutions and industry leadership in a variety of categories. Customize a home, even your own – with the Boral Virtual Remodeler. Customize a home, even your own – with the Boral Virtual Remodeler.