Experience the seal of quality!

Professional Mastic/Sealant Applicators Wales

About Us


Dragon Sealants Ltd are based in South Wales servicing Private home,small developers and major construction companies throughout the industry.All applicators are CSCS,IPAF,PASMA and NVQ qualified.We are also SMAS worksafe and Chas certified.

Dragon Sealants always pride ourselves on quality workmanship to meet the high standards of all our customers.

We can also provide you with advice on product selection for the jobs specific needs.

We also have great relationships with our product suppliers who are on hand 24/7 to help with any new obstacles which we sometimes meet and will vouch that we are competent installers of their products and systems.



*Internal and external window frames

*Internal and external door frames

*facia board joints

*Glass to glass

*Tile/wood/ameco to skirting joints

*Expansion joints

*Bridge & road expansions

*Joist ends

*Acoustic sound proofing

*Air test jointing

*Intumescent Fire stop sealing

*Lead work sealing

*Floor saw cut joints

*Floor expansion joints

*Anti- pick 

*Swimming pools

*Cut out and re-seals

*compriband installation 

Contact us


If you require a sealant application that isn’t listed above, would like a quote or to arrange a free site visit for us to evaluate the job please contact us via phone or email.



Short video of domestic work

Cut out & Re-seal shower and bath

New build project

Check out this great video showing the speed and quality of workmanship we uphold