Welcome to Wallseal Preservation – Your Local Damp Proofing and Property Preservation Specialists.

If you’re looking for solutions to problems with Rising Damp, Penetrating Damp, Basement Waterproofing, Condensation Control, Mould Control, Woodworm Eradication, Dry Rot Eradication, Wet Rot Eradication, Cavity Wall Tie Replacement or general property repairs and maintenance, come to us for expert industry-approved advice, a wide range of proven treatments and a customer-focused service.

Wallseal Preservation will present you with a service that is:

Local – We have been providing specialist Damp Proofing and a wide range of property preservation services to customers throughout all Sunderland, Durham and Newcastle areas for many years.

Reliable – We want our customers to feel secure that any work Wallseal Preservation carries out on your building will be safe, efficient, and of the highest quality. Our approved property preservation contractor status means that our company is also in the position to offer our customers underwritten guarantees. This ensures our customer guarantees are fully protected, giving you valuable peace of mind.

We are also fully insured for public liability. Wallseal Preservation are proud members of Checked and Vetted. To read our customer testimonials and reviews please visit www.checkedandvetted.com.

Committed to customer care – We really want to help! We’re not only here to carry out maintenance work, we can also offer invaluable information and advice too. You can get in touch if you have any questions about the wellbeing of your property, or arrange a free survey when an expert technician will assess any problem areas you are concerned about as well as the rest of the building. Our advisers can help to come up with the best maintenance plan for your specific needs, and once repairs have been carried out, let you know what you can do yourself to keep your property in first-class condition.

To find out more and to arrange a full survey with no obligation, call us now at our Sunderland office on 0191 5524743 or email us using our contact page.


We are also proud members of Checked and Vetted and Checkatrade and we strongly believe that a great reputation matters.

Please click either of the logos above to visit the Checked and Vetted and Checkatrade websites and read 100’s of of our verified positive customer reviews.