Operating predominantly in Kent, East Sussex & South East London we offer a range of mastic sealant jointing and pointing services that are perfect for both internal and external applications.

We are highly experienced in the field of mastic sealants and are included on manufacturers’ approved list of applicators for all types of polysulphide (including fuel resistant), polyurethane, acrylic/silicone sealant and hybrid polymers. We can also undertake the application of hot poured bitumen sealant to expansion joints. No matter your mastic sealant requirements, we are certain to have the solution for you.

Our mastic sealants are applied both internally and externally and are suitable for a range of applications – not only as a movement joint sealant but also to prevent trip hazards, to keep joints clean or purely as an aesthetics measure to tidy up ragged joints or to cover broken edges etc. We have provided our mastic sealant service in a wide variety of locations including Sea Walls, Promenades, Prison Cells, Clean Rooms, Classrooms, Hospitals and more. 

Our mastic sealants are applicable both internally and externally and are suitable for a range of applications.


Sanitary Ware
Internal Fixtures & Fittings
Shadow Gaps
Air Test Sealing
Vinyl Flooring
Suspended Ceilings


Expansion Joints
Saw Cuts

Range of Colours Available

A range of standard colours are available for basic internal and external mastic sealant applications i.e. Windows, Doors, Sanitaryware, Kitchen Worktops, Vinyl Flooring, Ceiling Trims and Expansion Joints.

Please note that colours are for guidance only, due to screen resolution limitations, product colours may not be exactly as shown.

Should none of these be suitable there are many other ‘special’ colours available upon application.

Internal Colours

External Colours

If you are in need of mastic sealants for your property, give us a call today on 01732 884977 and speak to our specialists. They will be on hand to provide you with information on what mastic sealants best suit you and your requirements.

Invictacut are a Chartered Building Company and are members of a range of industry and safety associations including The Association of  Sealant Applicators, CHAS and SMAS. This ensures that our projects are always completed to meet regulations and maintain a safe environment. It also ensures you receive a service where quality is assured.

Expertise in the safe and skilled provision of our services is a priority to us and our team come accredited and qualified to a range of standards including IOSH, CSCS, PASMA and Abrasive Wheels. They also have been through extensive training in working at height, IPAF, Confined Spaces and Asbestos Awareness.

Our team have completed projects throughout many locations in Kent, Essex, East and West Sussex, London and more specifically major towns and centres including Ashford, Dover, Folkestone, Thanet, Tunbridge Wells, Brighton, Sevenoaks, Dartford, Maidstone, Canterbury, Tonbridge, Aylesford, Chatham, Rochester, Gravesend, Croydon, Bromley, Orpington, Bexleyheath, Eastbourne, Hastings and Rye.

Our specialist team of building services experts are always on hand to provide you with any information you need or go through your own requirements. Contact us today and we will be sure to get back to you quickly.