Vent Holes In Brick Walls

Homeowners drill holes in brick walls for a variety of reasons including running cable electrical wires or pipes through the wall.

Vent holes in brick walls.

This means the need to have air circulation to dry. Brick wall weep holes and recommends their use in. This article explains the purpose of drainage openings rain screens in solid brick walls and in some brick veneer walls. Weep holes in brick walls provide rain screen drainage definition explanation of brick wall weep holes or weep openings.

The futility of trying to ventilate the cavity space behind the brick wall thru weep holes is illustrated by the following example. Where a brick veneer is plastered or painted the brick veneer exterior cladding is effectively a waterproof system. In this case the drainage and ventilation of this large brick wall is left to 30 small weep holes spaced at 2 foot intervals along the bottom course of the wall. While you should never fill weep holes with solid material such as caulk wood or mortar you can put strips of fiberglass screen wire or scouring pad in.

Changing the location of the cable wire or pipe leaves a gaping hole through the brick wall where water dirt and debris enter the structure. Damaged brick veneer walls due to omission of or clogged weep openingsweep holes in brick walls. The brick and blocklayers federation recommends that where windows exceed 2 4m in length that 1 or 2 vent holes are evenly spaced under the sill. This article discusses ventilation in the cavity behind brick or other masonry walls in veneer wall construction and the use of intermediate and wall top air vents or intermediate drains in some veneer wall designs.