Red Seal Bricklayer Practice Exam

What is the proper technique for creating a weep hole?

1. Drilling holes through each brick

2. Leaving spaces at the bottom of the wall to allow water drainage

3. Using special weep hole bricks only

4. Applying waterproof coatings to the wall

The correct answer is: Leaving spaces at the bottom of the wall to allow water drainage

The proper technique for creating a weep hole involves leaving spaces at the bottom of the wall to allow for water drainage. This technique is critical in masonry construction, as it provides a pathway for any accumulated moisture within the wall assembly to escape. If water is trapped, it can lead to various issues, such as mold growth, structural damage, or deterioration of the masonry materials. Weep holes are strategically placed to ensure that they align with drainage paths. They allow for the effective management of excess water, which is crucial in preventing damage to both the interior and exterior of structures. By ensuring these openings are properly spaced and not obstructed, you create an effective drainage system that promotes the longevity and performance of the masonry wall. Other methods, such as drilling holes through each brick, only focus on localized areas and can potentially weaken the structural integrity of the bricks. Using special weep hole bricks may not be necessary, and their application does not universally resolve the drainage issue as effectively as creating strategically placed openings. Applying waterproof coatings may protect the exterior but won't address internal moisture that can build up within the wall system. Thus, allowing spaces at the bottom of the wall is the best practice for effective drainage and moisture control.