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Roseal is one of the UK’s leading mastic and sealant companies in the Southwest, offering professional, and high-quality sealant services at competitive prices.

WHY CHOOSE US? Below are a few of the benefits of choosing our mastic services.

Professionalism and Reliability

At Roseal, we pride ourselves on being prompt, efficient, and detail-oriented, ensuring a hassle-free experience for our clients.

Skilled and Qualified

With years of industry experience, our skilled professionals deliver high-quality results for your mastic sealing needs.

Quality Products

We use high-quality sealants from trusted manufacturers, ensuring long-lasting and reliable solutions for your projects.

Health and Safety

Our sealant specialists hold valid CSCS NVQ Level 2 and have extensive health and safety training and on-site experience.

Attention To Details

Our team pays meticulous attention to every aspect of the sealing process, ensuring a neat and professional appearance.

Customised Approach

We understand that every project is unique, and our team works closely with you to provide tailored sealant solutions.

OUR MASTIC SEALANT SERVICES We understand your needs and deliver the premium finish you require for your sealant projects


Our premium sealant services include high-quality mastic sealant application to bathrooms and kitchens, all types of flooring, silicone removal, windows and doors, air testing, intumescent fire sealant, glass to glass, and many others. Get in touch or find out more about our mastic silicone services.

Kitchens, utility rooms, WC's/cloakrooms, and others
Wet rooms, bathrooms, en-suites, and others
Frames, floors (all types of flooring), units, and others
Fire sealant, silicone removal, glass to glass, and others
Verticals, ceilings, architraves, trims, vanities, window-sills, and others


We provide premium sealant services for windows and doors, movement joints, compression joints, beams, replacement of damaged or discoloured silicone, and many others. Get in touch or find out more about our mastic sealant silicone services.

Frames (doors and windows), service boxes (metre boxes),and others
Movement joints, compression joints, and others
Joists and beams, intumescent sealant to garages, and others
Replacement of damaged or discoloured silicone, and others
Soffits, faciae, copping, and others


We offer mastic sealant solutions for hospitals, hygiene seals, secure anti-pick sealants for hospitals and prisons, expanding fire foam around windows and soffits, and many others. Get in touch or find out more about our mastic sealant silicone services.

Hospitals, theatres, cinemas, food industry, cabinets, and others
Universities, colleges, schools, business institutes, offices, and others
Hygiene seals, care home seals, prisons seals, and others
Fire foam (compriband) around doors, windows, soffits, and others
Mastic sealant plays a very important role in maintaining your home's integrity. It protects against water damage, enhances energy efficiency, reduces noise transmission, prevents mould and mildew growth, and improves the appearance of your living space.


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We cover various areas, if your location isn’t listed, please contact us for assistance.

roseal mastic man

After investing hundreds or thousands in your project, your property deserves premium mastic and sealant services. Choose quality, choose Roseal!