Why Do Brick Walls Have Weep Holes

That's why it's important to drill weep holes or leave gaps between timber ends (see step 4).

Why Do Brick Walls Have Weep Holes. But what you've noticed are almost certainly weep holes in brick: Issues can go undetected until there is a home inspection.

Brick veneer wall: Loose or Cracked Brick Veneer Walls ...
Brick veneer wall: Loose or Cracked Brick Veneer Walls ... from inspectapedia.com
Jlc editor don jackson responds: For drainage, drill weep holes every 4 feet along the wall's length. Aside from an occasional dusting, you should aim to scrub interior or exterior brick walls roughly once a year to remove unsightly buildup, and use more focused manual cleaning methods to deal with moss and mold growth.

Weep holes are the exit port for the drainage cavity behind the masonry wall.

While 'thermo brick' eliminates the need for thicker walls and helps increase the carpet area, it works magic for providing thermal insulation and providing comfortable i hardly create comments, however after reading through some of the comments here why bricks have holes? Never caulk them and install flashings to help water drain. Unfortunately, weep holes are often clogged by mortar as a result of the construction process. This can result in partially or totally blockage of weep holes by trash mortar.