How to Build Homemade Guinea Pig Cages

Guinea pigs are social creatures who are happiest when sharing their space with a friend.
Guinea pigs are social creatures who are happiest when sharing their space with a friend. (Image: VikaRayu/iStock/Getty Images)

The docile nature of a guinea pig might make him seem like a dud in the rodent family, but nothing could be further from the truth. Guinea pigs are social and will often squeal a delightful greeting for their human companions. They aren't climbers or jumpers, although they do enjoy room to romp and secret hiding places. The amount of space they require is as important as what their space is made of.

Things You'll Need

  • One 4-by-8 sheet of Coroplast
  • Utility knife
  • Measuring tape
  • Pencil
  • Three 12-by-12 wire cubes
  • Black wire cube connectors
  • Electrical ties
  • Heavy duty scissors

Separate the wire cubing into 12-by-12 sheets. The cubing will create the walls of your cage, which should be 8 square feet for two guinea pigs to live together comfortably, or 2-by-4. Add an additional 2 square feet for each additional guinea pigs. Don't scrimp on space. Guinea pigs need room to move around.

Using the connectors, hook your wire sheets together until you've created a rectangle that is 2-by-4.

Add electrical ties every few inches to further secure where your wire panels meet.

Trim off any excess plastic from the electrical ties, using the heavy duty scissors.

Measure out a 3-by-5 rectangle on the sheet of Coroplast. Mark your measurements with a pencil. This will allow for the 2-by-4 floor and an additional 6 inches that will bend up to create the sides.

Measure out a 2-by-4 rectangle inside the 3-by-5 rectangle you made in step 4. Leave 6 inches all the way around, so that your 2-by-4 rectangle is centered inside your 3-by-5 rectangle. Draw out the rectangle with your pencil.

Score the Coroplast along the 2-by-4 rectangle pattern. When you score, you'll cut through only one side of the Coroplast. Be careful not to push so hard with the utility knife that you cut through both sides.

Cut through both sides of the Coroplast at all four corners. Cut straight from the edge of the rectangular pattern toward the outer edge of the sheet. It won't make any difference what direction you cut, as long as you follow the line of the pattern toward the outer edge.

Bend the Coroplast along where it is scored. Shape it so that it fits snugly inside the wire rectangle. Your Coroplast will meet but will not seal, which should be fine since the wire sides will keep your guinea pigs from escaping. Coroplast is an excellent product for your guinea pigs flooring, as it is waterproof and will be easy to clean.

Fill your cage with aspen or hardwood shavings, or with grass hay. If you have other pets, you'll need to add a top to your cage, which can be fashioned by purchasing additional wire cubes. You'll need wire cutters to create a door in the top of the cage. Cut a 10-inch square hole for the door, which you can then cover with a 12-inch square side from one of the wire cubes. Secure it on one side with electrical ties. Add a spring and S clip on the other side to close your door.

Tips & Warnings

  • Add paper towel rolls and small boxes to your cage to create secret hiding places for your guinea pigs.
  • If shavings are sneaking through your corners, use a small piece of duct tape on the outer edge of your corners to seal them.
  • Never use pine or cedar shavings. These types of shavings contain oils, which may be harmful to your guinea pigs.

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