Perfect mastic finishes, every time.
UK's trusted professional mastic & silicone sealant contractors. PSMA certified, fully insured & accredited — delivering flawless results for domestic and commercial projects.
Professional mastic sealants you can trust
Every building needs quality sealant work — from domestic bathrooms and kitchens to major commercial & industrial projects. Expert application makes all the difference.
We apply premium anti-fungal silicone and mastic to PSMA standards, working efficiently around your schedule with zero mess. Every project backed by our 12-month guarantee.
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Find your service type
We seal and finish all kinds of buildings — residential, commercial, industrial and specialist projects.
Domestic Sealants
Bathrooms, kitchens & windows — crisp finishes.
Commercial Sealing
Large contracts, multi-site projects, ongoing maintenance.
Industrial Joints
Expansion joints, specialist finishes, rope access.
Coloured Sealants
Range of silicone colours to match any design.
Fire Rated
Intumescent sealing for fire compliance.
Specialist Work
Structural glass, anti-pick, healthcare & more.
The Mastic Man difference
We're professional sealant contractors with 20+ in the trade. Every job gets surveyed first, executed with precision, and backed by evidence and a 12-month guarantee.
One team of certified specialists, consistent quality standards, and a single contact — whether you have one small project or fifty commercial sites.
How it worksComplete sealant solutions to PSMA standards
Domestic Silicone
Bathrooms, kitchens, windows & internal sealing.
Commercial & Industrial
Large projects, multi-site contracts, specialist finishes.
Coloured Sealants
Full range of silicone colours for perfect colour matching.
Structural Sealing
Glass-to-glass, expansion joints & curtain walls.
Fire Rated Sealants
Intumescent & fire-rated sealing for code compliance.
Specialist Sealing
Healthcare, anti-pick, air testing & bespoke requirements.
Built to last, finished to impress
Perfect finish
Professional silicone application means crisp, clean lines and lasting results that look great for years.
Durability
Premium anti-fungal silicone resists mould, staining and degradation in wet areas and exposed locations.
Compliance
PSMA certified work meets building standards and insurance requirements for every project type.
Project examples
Commercial Building Sealing
Domestic Bathroom Silicone
Industrial Expansion Joints
Trusted. Certified. Professional.
Got questions?
Answers to common questions about our sealant services. Can't find what you need? Get in touch directly.
Get a quoteHow much does professional sealing cost?
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Mastic Doctor across the UK
We serve areas nationwide — find your local branch or call for details.
Can't see your area? Call 01277 525 020 — we likely work in your region.