Since winddriven rain may penetrate brick veneer, it is best to assume that the backs of the bricks will be wet. Unless the water can drain to the exterior, moisture can damage framing or interior finishes.
Since winddriven rain may penetrate brick veneer, it is best to assume that the backs of the bricks will be wet. Unless the water can drain to the exterior, moisture can damage framing or interior finishes.

There is little debate over brick's reputation as a durable, maintenance-free building material. Brick buildings that are hundreds of years old are still in use today. However, many people don't realize that the older brick buildings were not built like today's brick-veneered buildings. Historically, brick was used to create loadbearing walls, which were often four or more wythes of solid brick masonry. These walls prevented moisture penetration to the interior by their sheer mass.

The brick masonry in today's veneer wall is just one element of a drainage wall system, which typically consists of a single 4-inch-thick wythe of brickwork, an air space of 1 inch to 2 inches, and a separate wood, steel, or concrete block backup wall. When moisture penetration problems occur, it is usually because the people building the wall...

or Register to read the full article.