2torial #0675:
Learn2 Mix Cement (continued)

Mix Portland cement

The process of mixing Portland cement differs from pre-mixed mainly in the setup (since you have to add sand and aggregate). Keep these guidelines in mind as you start your work:

• For mortar, the ratio of sand to cement to lime (if necessary) is 3 to 1 to 1/2. Usually this works out to be about 12 heaping shovelfuls of sand, half a bag of Portland cement, and a quarter bag of lime.

• For concrete, the ratio of aggregate to sand to cement is 3 to 2 to 1. About 13 shovelfuls of aggregate, 8 of sand, and half a bag of cement should do it.

• Mix the dry materials thoroughly in the wheelbarrow before adding water. Use your hoe to do this.

• Add water to the mix, using the same techniques detailed in Step 4. Start with the same amount of water (about half a bucket), adding it slowly, and add more until you reach your desired consistency.

Whether you use pre-mixed or your own blend, knowing how to make concrete and mortar can pave the way for a host of home improvement projects. So get ready, get mixing, and watch it set.

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