How to Get the Most Out of Your Cavity Wall
Until the development of the cavity wall in the UK in the 19th century, houses were prone to dampness and humidity resulting from water being absorbed through the masonry of the external walls.
Cavity walls are external building walls which incorporate an air gap. This can be within the wall structure itself as in hollow block walls, between two solid walls or between two partitions separated by a narrow air gap.
When water is absorbed, it never reaches the inner wall. The space or cavity works to drain it back out through weep holes at the bottom of the wall.
In rainy climates such as that in the UK, protection against moisture is vital to prevent the buildup of damp, mould and eventual disintegration of the masonry under the onslaught of moisture.
Moisture protection is something cavity walls do effectively but they offer a number of other advantages. … Read the rest












