или вот

[nblka]

или вот например: http://www.carsondunlop.com/2011/12/brick-houses-solid-masonry-vs-brick-veneer/

How Waterproof Is Brick?

The short answer is “not very”. With a wind driven rain, moisture will pass right through a brick wall. The one inch air space behind the brick allows this water to run down the back surface of the brick. At the bottom of the wall cavity, a plastic or metal flashing collects the water and allows it to drain out through weep holes. You’ll find weep holes spaced at approximately 32″ (every fourth brick) along the top of foundation walls and above doors and windows.