Damp Proofing

For a long time now the chemical damp proof course has been seen as the cure for all damp problems.  In Hampshire, Wiltshire and Dorset, a huge number of traditional buildings were constructed using cob and stone or flint and brick. For these buildings, a chemical damp proof course is unsuitable.

We see too many properties with unsuitable and unnecessary damp proofing, or even damp caused by damp proofing contractors removing traditional finishes in favor of hard cement finishes.

If you think you have an issue with damp you need to instruct a qualified surveyor with experience in traditional buildings. Free surveys will always end up with a salesman trying to sell damp proofing.

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Resolve damp with MacLennan's best fit solution

MacLennan will charge to visit the property and write a comprehensive report on all potential causes of the damp issue. If work is required to remedy the problem, the surveyor will specify work that is sympathetic to the type of property and will cure the problem.

MacLennan’s service is backed by our insured guarantees. Our surveyors are fully qualified to the highest standard and have many years of experience in all types of construction.

Common Damp Proofing Issues

Condensation / Mould

Condensation / Mould

The curing of condensation using a range of methods.
Also discussed: Black Mould

Building Preservation

Building Preservation

The use of timber treatments and sympathetic damp proofing to preserve historic buildings.
Also discussed: Woodworm

Dry Rot

Dry Rot

The diagnosis and cure of dry rot by qualified, specialist timber surveyors.

Get in touch with our technical team today!

Do you suspect Rising Damp?

Rising-damp-wall

For buildings built with walls thicker than 400mm or of chalk, cob, flint or friable stone we would recommend ventilated cavity membranes.

In ordinary brickwork walls up to 350mm thick we would consider a chemical dpc and re plastering to 500mm above the damp using a moisture and salt resistant plaster.

Learn more about Cavity Drain Systems

Why should I work with MacLennan?

WE’RE INDEPENDENT

We Design, supply and install. There's no split responsibility with MacLennan.

WE’RE PASSIONATE

MacLennan live and breathe waterproofing, have a look at one of our free CPD seminars and find out!

WE’RE GUARANTEED

MacLennan has the most comprehensive guarantees and insurances in the industry.

Damp Proofing Methods

Lime Render

We might recommend the removal of sand cement renders and replace with a lime render which will allow the walls to breathe and shed moisture. Before considering this, you should read our advice on damp and lime render.

Lime Mortar
Rising Damp
Cavity Membranes
Silane Cream

Environmental Policy

MacLennan strive to source our materials from the most sustainable sources possible and participate in pioneering recycling schemes.

As a company that designs, supplies and installs waterproofing, our supply chain is shorter than most and we consciously select the best products for resilience.

Related 3D Details

Related Projects

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Historic Church Timber Treatments And Damp Proofing

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What else do we need to think about when it comes to damp proofing?

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