Perpend
A perpend is a vertical joint between bricks or blocks in masonry construction. In simple terms, it's the upright gap filled with mortar between bricks that are placed side by side. When looking at a brick wall, the horizontal joints are called bed joints, while these vertical joints are perpends. Good quality bricklaying requires careful attention to perpend spacing and alignment, as they contribute to both the wall's appearance and structural integrity. You might also hear perpends referred to as "head joints" or "vertical joints" in construction documents.
Examples in Resumes
Maintained consistent perpend spacing of 10mm across all residential project walls
Trained apprentices in proper perpend alignment and mortar application techniques
Achieved high-quality finish by ensuring uniform perpend joints throughout commercial building facade
Typical job title: "Bricklayers"
Also try searching for:
Where to Find Bricklayers
Professional Organizations
Job Resources
Training Resources
Example Interview Questions
Senior Level Questions
Q: How do you ensure proper perpend alignment on a large commercial project?
Expected Answer: An experienced bricklayer should discuss using gauge rods, string lines, and proper planning of brick courses. They should mention checking vertical alignment regularly and maintaining consistent joint thickness.
Q: How would you train junior bricklayers in perpend spacing?
Expected Answer: Should explain teaching methods for consistent joint spacing, proper use of spacing tools, and importance of regular checks. Should mention common mistakes to avoid and quality control measures.
Mid Level Questions
Q: What are the common issues with perpend joints and how do you address them?
Expected Answer: Should be able to discuss problems like inconsistent spacing, poor mortar filling, and alignment issues. Should explain methods to prevent and fix these issues.
Q: How do weather conditions affect perpend joint work?
Expected Answer: Should explain how different weather conditions impact mortar setting time and working techniques, and describe appropriate adjustments to make.
Junior Level Questions
Q: What is the standard size for a perpend joint?
Expected Answer: Should know that typical perpend joints are 10mm wide and explain why maintaining consistent joint width is important.
Q: What tools do you use to ensure proper perpend spacing?
Expected Answer: Should be able to name basic tools like spacing rules, gauge rods, and levels, and explain how they're used.
Experience Level Indicators
Junior (0-2 years)
- Basic perpend joint creation
- Using basic spacing tools
- Understanding mortar consistency
- Following layout instructions
Mid (2-5 years)
- Consistent joint spacing without guidance
- Problem-solving common joint issues
- Working efficiently in various conditions
- Understanding different bond patterns
Senior (5+ years)
- Complex brickwork pattern layout
- Training and supervising others
- Quality control and inspection
- Project planning and estimation
Red Flags to Watch For
- Unable to maintain consistent joint spacing
- Poor understanding of mortar mixing ratios
- Lack of attention to vertical alignment
- No experience with different weather conditions
- Unfamiliarity with basic measurement tools
Related Terms
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