How to Make Concrete.

Te Aroha News, Volume XXVII, Issue 43322, 7 May 1908, Page 2

How to Make Concrete.

To 6 or 7 parts of sharp, coarse gravel rock, or other hard metal, put 1 of good Portland cement and 2of sand or other material. Form a heap of the ballast, throw sand on top, then cement, Commence at one side of the heap, and throw it aside ? ; until it forms another heap; do this twice (before wetting. Repeat this, ... adding water at the same time. Use a water-pot for wetting. Mix on boards or flags Dirt or lime is injurious to concrete. Any size ballast up to 2-J- inch cubes may he used. If larger, more sand will be > required. About 1 cask of cement is usually reckoned to go to I cubic yard of , * gravel. ... "\: Concrete, except for foundations, , requires facing. To make this ( plaster use 1 of cement to 1 of fine sand* / - v '■. , The cost of course varies, but in a New Zealand township--Hie average ; cost per square yard, including plastering, is 5s lOd sin thick; and • 6s 8d 6in thick.