The normal mortar gap between bricks is typically 3/8 of an inch, although 1/2 an inch is also a common size.
Mortar joints are crucial in bricklaying because they:
- Bind the bricks together, creating a strong and stable structure.
- Seal the spaces between bricks, preventing water and air infiltration.
- Contribute to the overall aesthetic appeal of the brickwork.
The choice of mortar joint size can influence the appearance and performance of a brick wall. While 3/8 inch is the most common, the actual size may vary depending on the:
- Brick Size and Type: Different brick sizes might require slightly different mortar joint widths to maintain consistent coursing.
- Desired Aesthetic: Wider joints can create a more rustic or textured look, while narrower joints provide a cleaner, more modern appearance.
- Structural Requirements: In some cases, wider joints might be necessary to accommodate structural movement or accommodate specific design considerations.
- Mortar Style: The type of mortar used can also impact the optimal joint size.
It's important to note that maintaining consistent joint size is essential for achieving a professional and structurally sound brick wall. Experienced bricklayers use tools and techniques to ensure uniform joint widths throughout the project.