Seal it Damp Proofing & Plastering

Damp, timber treatment & plastering

8 Clos Y Dderwen, Kidwelly, SA17 4SS Directions

   Open today 08:00 - 18:00

Why Choose Us?

Expert Advice
Surrounding Areas
Professional Service

Business overview

We are supported by Sovereign for the supply and application of damp proofing products, timber treatment and wall tie installation in Wales & England. Protected guarantees.

Based in Kidwelly/ Llanelli Carmarthenshire, South Wales, Seal It first became established in 2009 and are supported by Sovereign for the supply and application of damp proofing products, timber treatments and wall-tie installations. With many years of experience and university qualifications in Building Surveying, we provide professional plaster finishes and property maintenance to commercial and private properties throughout Wales and England. Seal It also boasts extensive works to historical and listed properties. , Seal It are professionals in damp proofing and timber treatment following extensive Sovereign approved qualifications and are registered with PAM ties for wall ties insurance backed guarantees. We are ASAC accredited, providing warranties for damp proofing and timber treatment works.


Seal It Carmarthenshire: Damp proofing and plastering services
A well overdue update carried out to this room. This included damp proofing the rising damp problem and placing a new vent to the fireplace, re-plastering and installing new skirting and carpet.
Support the timber beams in your property.
A traditional method of using horse hair to plaster the internal walls at the listed building in Llanelli, Strade Castle.

Products & Services


artex removal


building refurbishments

building maintenance & repairs

building renovations


commercial builders

condensation control


damp proofing & control

domestic maintenance & repair services

dry lining


home improvements

house builders

house extensions

plaster ware


protective coatings




wall rendering

wall tie replacement

wood preservation

Sovereign aproved contactor

Protected Guarantee

barn conversions

building conversions



An excellent an professional job at my house. Guy went the extra mile to make sure that the rising damp issue was treated and finished the walls with a neat plaster finish.
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