Valentin Colibas
Experienced Mastic Man / Silicone Applicator
Talent
LondonMember since June 10, 2026
Expansion JointsWindow Perimeter SealingHigh-Quality Finishing
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Expansion JointsWindow Perimeter SealingHigh-Quality Finishing
About
Experienced Mastic Man / Silicone Applicator with over 9 years of experience in residential and commercial construction projects. Working in London since 2017 on large new-build and refurbishment developments. Skilled in internal and external sealing, expansion joints, bathrooms, kitchens, window perimeter sealing and high-quality finishing works. Reliable, hardworking and detail-oriented professional with a strong commitment to Health & Safety standards and delivering quality workmanship.
Experience
Mastic Man / Silicone Applicator - London, United Kingdom
(2017)
- Application of silicone and mastic sealants in bathrooms, kitchens, windows and expansion joints
- Internal and external sealing on residential and commercial construction projects
- Working on new-build developments and refurbishment projects
- Surface preparation and finishing to a high standard
- Compliance with Health & Safety regulations on site
- Working independently and as part of a team to meet project deadlines
Skills
Experienced Mastic Man / Silicone Applicator

