X Sealants ltd are a family run mastic sealant application company based in Essex.


Providing professional sealant application services throughout the u.k


If you need an expert in mastic applications we have over 15 years experience in the mastic, sealant application industry.


We have carried out all types of sealant applications, please have a look at our completed project pages.


At X Sealants Ltd we pride ourselves on our can do attitude and our reputation for putting QUALITY BEFORE QUANTITY


Contact us today!

Latest News


Recently completed internal mastic works to the newly refurbished KING head office in central london they are behind apps such as candy crush bubble witch and farm heros

virgin and other gyms and leisure centres

recently we have worked on vurgin active's in hammersmith,wandsworth,kensingtonaswell as other pools and leisure centres in hockley,hitchin,and littlehampton

Trinity Close Leytonstone

Received the full X Sealants Ltd experience, completing the external and internal works through this 40 unit apartmenmt block

Prince of wales drive Chelsea

We have been awarded the sealant package on 11 no blocks in the heart of Chelsea


  • Kitchens cut out and reseal or new
  • bathrooms  cut out and reseal or new
  • Flooring 
  • windows inside and out
  • air test mastic
  • Expansion joints
  • windows cut out and reseal or new 




  • Self build
  • new homes
  • developments small/medium/large
  • internal and external
  • air test works
  • windows
  • expansion joints
  • soffits




  • Internal/external
  • Shops
  • resturants
  • Supermarkets 
  • offices
  • fire mastic
  • glazing/structural sealant
  • fast food chains
  • warehouses  




  • Two part sealants
  • swimming pools
  • prisons
  • anti pick
  • road and slab jointing
  • hospital theatres
  • clean rooms
  • bomb proof structural sealing 





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Copyright © 2017 X Sealants Ltd- All Rights Reserved OFFICE 01621332881 MOBILE 07508245024 EMAIL xsealants@gmail.com