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External walls

The walls on the outside of your home not only protect it against the elements, but also provide support, and help to control the atmosphere inside your home.

External walls are the walls that make up the outside of your home. Because they play a role in supporting the weight of the roof and any upper storey, your external walls need to be strong. They must also be weatherproof. Time, moisture, soil condition and strong winds will test the performance of your external walls, so make sure they are built with the appropriate materials and that attention is paid to maintenance and repairs over the long term. Take advantage of the shape, style and orientation of your external walls to reduce bothersome noise and improve energy efficiency.