top of page


Instaseal provide sealant services around the North East of England

Sealant experts working in Sunderland, offering services to the housing and commercial sectors.

We have the largest mastic work force in the North East with over 20 years of experience in the industry.

.    .    .

Sunderland is seeing much growth within housing developments and with in commercial property builds. Huge investment is being made to create a better economy within the region and we are on hand to service the demands of increased building and renovation work that is being carried out. 


Our team are quick to respond to this need and we aim to be there within a very short time scale.


The Instaseal team are professional and ensure the work is carried out efficiently and effectively.

We provide sealant and mastic services to the Sunderland area. We are fast and reliable in providing mastic man services to large and small scale projects. It’s in the name, sealant services for you.

bottom of page