Friday, September 10, 2010

Making Hypertufas

A hypertufa is an anthropic rock created from several components that is bonded together using Portland cement. A hypertufa is inspired by tufa, a really porous rock that comprises of calcium carbonate brought about by springs rich in lime. A hypertufa appears just like a natural tufa, although it is commonly cast in such a way so that it can be used as a gardening ornament like troughs and pots. And since a hypertufa is porous, it is ideal for plant development.

It's not very difficult to build your own hypertufa, you only need to follow the instructions properly to get it correct. The fundamental recipe is that it is one part cement for every 3 parts aggregate. The other ingredients in addition to Portland cement is peat moss, and perlite. You can use a vermiculite rather than a perlite to add a little extra weight and luster to your hypertufa project. Additionally, it's also possible to include sand and nylon fiber mesh to the mix if you want to strengthen what you are creating.

Additionally, you will need a mold for your project which can vary from boxes, pots, buckets, styrofoams, generally most solid hard items will do. The choices for your mold are limitless, all you have to do is use your imagination. Additionally, there is a possibility that you may ruin that mold if you make a mistake in constructing your hypertufa so make sure that you are prepared to risk that thing. Prepare your wooden and metal mold by covering them with plastic or garbage bag; for plastic ones, you have to apply oil lubricants to the mold. This is important because it will allow you to release your hypertufa from the mold.

Once you have organized the materials for your hypertufa, you may commence mixing the dry ingredients with water, but with only little at a time as you do not want it to be flooded, making it hard to mold. Also. don't forget to use a mask and heavy duty rubber gloves for your safety. After you have attained a consistency that can be shaped, you may start filling your mold with the material that you mixed. You could put the mix inside or outside of the mold, depending on how you would like your hypertufa to look like.

To cure your mixture, cover it with plastic and let it sit for 24-36 hours. When it is already hard enough, you may take away the mold cautiously from the hypertufa. And then put back the plastic, and mist it from time to time with water. In around three weeks or so, your hypertufa project is now ready to use.

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