Build It Postfix Maxi Bag                                  

By simply adding water, this premium Post Fix formula of cement, sand, and aggregate is ready to use. There is no need to mix it or add any additional ingredients. Pennine BUILD IT Post Fix is simple to use, allowing anyone from professionals in the trade to first-time DIY enthusiasts to erect a post. It will set your post in place in five to ten minutes, varied on weather conditions, by following the simple instructions on the bag. One 20kg bag of our postcrete will secure one 75mm square post in a hole up to 200mm x 750mm. Larger posts of 10mm square in holes 250mm - 750mm or greater may necessitate 1-2 bags. A 300mm to 600mm hole will require 2 bags