Tools and materials
Panels made of cork, rock wool, fibre glass, polystyrene or any other insulating material; masonry tools such as a palette, spatula and saw; tape and plaster for joints; sandpaper and paint.

Evaluating the level of insulation

o Before starting the job you should check the level of insulation you need and the most appropriate material. If it is between one room and another, if it is to insulate from exterior heat or cold or if it is isolate noise.

o Irrespective of the above, the jobs are similar and only the materials change.

o If you want to isolate the sound emanating from another house with a shared wall, remember that any sound is best eliminated from the side on which it emanates, so perhaps a joint effort with your neighbour will be necessary.

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o The most simple solution is to use prefabricated laminated plaster boards, and the corresponding insulating material stuck to one side. You will only lose a few centimetres of space.

o You can stick the boards to the wall with plaster or special pre-prepared paste or screw them on to wooden or metallic slats which you have previously screwed on to the wall.

o Start at the bottom and work from left to right, unless you are left-handed, until you reach the roof.

o If you need to cut a piece of the panels to fit, use a ruler and cut with a hand or bow saw.

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o Fill in the joints with pre-prepared paste, which you will find alongside the prefabricated laminated plaster boards.

o Stick on a special tape on to the boards and press on with a spatula to make it flat and remove all wrinkles.

o When dry, sandpaper so that the joint cannot be seen.

o All is now ready to be painted. The prefabricated laminated plaster boards are easy to paint with standard wall or ceiling paints.

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o You can buy natural cork panels ready to be installed as above.

o Cork is an excellent natural insulating material, which is also highly decorative. If you wish, you can fix the panels directly on to the wall using special glue. The width of the cork will depend on the insulation level you require.

o If the cork has not been pre-prepared, you can then varnish it without any problems.