Trusted by contractors & developers
A selection of organisations we work with across domestic and commercial sealing projects.
How can we help?
Choose the journey that fits you — we'll review your details and get back to you.
Why All Sealants Ltd?
Quality workmanship
Decades of hands-on experience — neat, durable seals using professional-grade products suited to each environment.
Popular services: Kitchen · Bathroom · Commercial · Browse all → · Standard sealant colours
Clear communication
Upload a quick video of the job — we'll review your details and get back to you promptly.
Recent mastic sealant work
A selection of kitchen, bathroom, render and commercial sealing projects across South Wales.
kitchenKitchen and wet-area silicone sealingSouth Wales 
bathroomBath and wall tile sealingSouth Wales 
bathroomToilet and vanity unit silicone sealingCardiff area 
bathroomBathroom floor and corner sealingSouth Wales 
bathroomShower tray reseal — before and afterSouth Wales 
interiorBay window board and skirting sealingSouth Wales
What customers say
Feedback from homeowners and site teams we have worked with across South Wales.
“Our ensuite needed a full reseal — old silicone had gone black. Neat finish, left tidy, and they explained what product they used. Very happy with the result.”
“Reliable on programme for our handover sealing. Good communication with site management and consistent finishes across the plots we allocated.”
“Quick turnaround on our kitchen worktop seals after fitting. Professional team — would use again for bathroom work.”
Kitchen & bathroom sealing in South Wales
All Sealants Ltd helps homeowners across South Wales with neat kitchen, bathroom, window and render silicone work. We are based in Ystradfellte, Aberdare, and cover Cardiff, Swansea, Newport, Neath, Port Talbot, Bridgend and surrounding postcodes. Looking for a local mastic man in South Wales? Get an instant guide price for bath, shower, kitchen and window resealing.
For homeowners we show a guide price online once you enter your postcode and submit your job details — combined jobs may qualify for discounts of up to 40%. Builders and developers looking for commercial mastic pointing or new-build packages should use our commercial sealant contractors page or send a tender enquiry.
Mastic sealants South Wales — full service guide →
Popular local pages: Sealants Cardiff · Sealants Newport · Cwmbran silicone pointing · External sealant contractors · Commercial contractors