Sealant is a crucial material used in the glazing industry to create watertight and airtight seals between glass panels and window frames. It's like flexible glue that prevents water, air, and dust from getting through gaps. Workers use different types of sealants (like silicone or polyurethane) depending on where and how they're being used. This is a fundamental skill in glazing work, as proper sealant application ensures windows and glass installations last longer and perform better. When you see this term in resumes, it usually indicates hands-on experience with window installation or glass panel work.
Applied Sealant and weatherproofing materials on commercial building windows
Managed quality control for Sealant application on 200+ residential window installations
Trained junior glaziers in proper Sealant techniques and safety procedures
Typical job title: "Glaziers"
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Q: How do you determine which type of sealant to use for different projects?
Expected Answer: A senior glazier should explain how factors like indoor/outdoor use, movement requirements, weather exposure, and substrate materials affect sealant choice. They should mention experience with various types and brands.
Q: How do you manage quality control for sealant application on large projects?
Expected Answer: Should discuss inspection procedures, testing methods, documentation, training team members, and ensuring proper surface preparation and application techniques.
Q: What are the most common problems you encounter with sealant application and how do you solve them?
Expected Answer: Should be able to discuss issues like adhesion failure, bubbling, weather impacts, and explain proper surface preparation and application techniques.
Q: Explain your process for preparing surfaces for sealant application.
Expected Answer: Should describe cleaning procedures, checking for damage, proper temperature conditions, and using appropriate primers when needed.
Q: What safety precautions do you take when working with sealants?
Expected Answer: Should mention proper PPE (gloves, eye protection), ventilation requirements, reading safety data sheets, and proper handling of materials.
Q: What are the basic steps for applying sealant to a window frame?
Expected Answer: Should be able to explain surface cleaning, masking if needed, proper application technique, and tooling the sealant for a neat finish.