Struck Joint
A struck joint is a finishing technique used in masonry work where the mortar between bricks or blocks is shaped and smoothed to create a specific appearance. This method not only makes the wall look better but also helps protect the mortar from weather damage. Masons use special tools called jointing tools or striking irons to create these finishes. This skill is important in both new construction and restoration work, especially for buildings where the brickwork will be visible. Similar terms include 'tooled joint' or 'finished joint.'
Examples in Resumes
Created decorative Struck Joint finishes on historical building restoration projects
Trained junior masons in proper Struck Joint and Tooled Joint techniques
Specialized in Struck Joint masonry work for high-end residential projects
Typical job title: "Masons"
Also try searching for:
Where to Find Masons
Professional Organizations
Job Boards
Training Resources
Example Interview Questions
Senior Level Questions
Q: How do you handle training apprentices in struck joint techniques?
Expected Answer: A senior mason should explain their teaching methods, safety practices, and quality control measures. They should mention how they demonstrate proper tool use and help apprentices develop consistency in joint finishing.
Q: What considerations do you take when doing struck joints in different weather conditions?
Expected Answer: Should discuss how temperature and humidity affect mortar drying time, adjustments needed for hot or cold weather, and techniques to protect work during adverse conditions.
Mid Level Questions
Q: What different types of struck joint profiles do you know, and when would you use each?
Expected Answer: Should be able to describe various joint profiles (concave, weathered, flush, etc.) and explain which are best for different types of projects and weather exposures.
Q: How do you ensure consistency in struck joint appearance across a large wall?
Expected Answer: Should explain techniques for maintaining uniform pressure, timing of striking, and methods for achieving consistent appearance across the entire project.
Junior Level Questions
Q: What basic tools are needed for struck joint work?
Expected Answer: Should identify basic jointing tools, including striking irons and pointing tools, and explain their proper care and maintenance.
Q: When during the construction process do you strike the joints?
Expected Answer: Should explain the importance of proper timing - when mortar is thumb-print hard but not fully set - and why this timing matters.
Experience Level Indicators
Junior (0-2 years)
- Basic joint striking techniques
- Tool maintenance and care
- Understanding mortar consistency
- Basic safety practices
Mid (2-5 years)
- Multiple joint finish styles
- Weather appropriate techniques
- Quality control practices
- Efficient work speed
Senior (5+ years)
- Training and supervising others
- Complex restoration work
- Project planning
- Advanced finishing techniques
Red Flags to Watch For
- Unfamiliarity with basic masonry tools
- No knowledge of proper mortar mixing
- Lack of safety awareness
- Unable to explain basic joint finishing techniques
- No experience with weather considerations in masonry work
Related Terms
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