Ecocentric = an adjective used to describe a state of mind; of a person, or a social group, who is, or are: Committed to Making a Positive Contribution to The Survival of Mankind And The Eco-System Which Supports Us.
Effects. When fast-setting concrete mix is used, setting takes place in 20 to 40 minutes. 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.
When working with cement-based products, always wear eye protection and waterproof gloves. Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4â wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet). Step 2. Add about 6 inches of QUIKRETE All-Purpose Gravel into the bottom of the hole. Then compact and level the gravel using a post or 2x4.