WebThe calculator will give you the results in cubic yards and the number of pre-mixed bags of concrete (40 lb, 60 lb, and 80 lb bags). To ensure that your posts are sturdy for a long time … WebOn average it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete. Add 5%-10% additional material Always buys more concrete then you think you’ll need. This accounts for some waste or spills. It’s important to finish a concrete pour at one time before it sets and hardens. Measuring Your Space

Pergola Posts Depth and Concrete Mixture DIYnot Forums

WebMost 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 … WebMar 26, 2024 · To make up 150kg of concrete would require 3 25kg bags of gravel at £3.90 and 2 sand at £3.40 Then a bag of cement at £4. So that's 150kg for £11.30 as opposed to 150kg of postcrete costing between £32 and 40. Considering that 150kg is probably only going to do 4 posts its a fair difference when doing a big fence with 20 posts. symbol in a famous theory by albert einstein

Blue Circle Ready mixed Postcrete, 20kg Bag DIY at B&Q

WebHow many bags of soil do i need? You might be wondering how many bags of soil you will need for your gardening project. Well, this can easily be calculated if you know the weight or volume of a single bag of soil. You can do this by using the formulae: WebHow many bags of concrete per m2. Generally, there are 11 bags of 20kg premixed concrete per m2. 1 square metre of concrete at 100mm deep weighs 220kg, so, number of bags of … WebIdeal for wooden, concrete and metal posts With just the addition of water and with no mixing required; Postcrete sets in 10 minutes and comes in handy 20kg weatherproof, tear resistant plastic bags. Product Details DIY TRADE How to use Postcrete HOW TO USE POSTCRETE Is this all too familiar? Check out our Postcrete Trade for product details. symbol inch