Basement Waterproofing Contractors | Damp Proofing | Tankings

Welcome to MacLennan.

The most trusted market leading experts in all aspects of waterproofing, we deliver full service and knowledge led structural waterproofing solutions.

Domestic & Commercial Specialists in:

MacLennan Waterproofing:

The MacLennan waterproofing department provide expert solutions which remedy and guarantee the protection of structures from failure due to water, Maclennan protects contractors, designers and clients from all financial risks of structural waterproofing by expert design, supply and installation of the most reliable waterproofing systems. Your waterproofing is fully covered by the most comprehensive and specialist insurances and guarantees available, we take responsibility for all aspects of waterproofing – basement, floors, walls and roofs. We are the designer, supplier, contractor. No split responsibility.


Basement Waterproofing

Maclennan design waterproof systems and are approved installers of most manufacturers waterproofing and Tanking systems.

Applied Coatings

Polyurea Roof Coatings

Maclennan spray applied waterproof coatings are Environmentally Safe and used  in all areas of Domestic and Commercial applications.

Roofs & Decks

Polyurea Coatings

Polyurea is being recognised internationally as the ultimate coating system for roofs, basements, bunds , steels, tanking and a lot more.

Damp Proofing

Damp Proofing Basements

Maclennan Building Presevation will survey and and advise on the best course of action bespoke to your needs.

MacLennan Structural Solutions:

The MacLennan structural solutions department provide solutions for the repair and remedy of building failures due to damp, timber decay and masonry repairs for cracked and bowing walls and wall tie failure. Our very experienced and qualified surveyors carry out consultancy; offering recommendations and solutions drawing on over 30 years experience.

Structural Solutions

Structural Repair Specialists

MacLennan repair all forms of structural defects and have been approved installers of the Helifix crack repair system since 1995. this should drop

Timber Repairs

Timber Repairs

Maclennan Timber Repairs are a variety of repair methods used when repairing timber, depending on the function of the timber and accessibility.

Timber Treatments

Timber Treatments

Maclennan carry out all forms of timber treatments, including wet and dry rot, and the eradication of Wood Boring Insects.

Polythermal Insulation

Polythermal Insulation

Polythermal is a spray applied insulation foam. Polythermal is a high performance, seamless, polyurethane based, closed cell insulation.

MacLennan have been guaranteeing work for over 30 years.

We have built up a reputation for supplying a very honest and professional service.

As an independent company, we can choose the appropriate products to suit the large variety of properties we are called on to survey and specify work for.

We are specialist contractors in:

Waterproofing | basement waterproofing, cavity drain systems

Structural | structural solutions, helifix, resin repairs

Preservation | damp proofing, dry rot, condensation

Waterproof Coatings | deck waterproofing, pools, ponds, bunds, roofs

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We work in: London, Surrey, Wiltshire, Hampshire, Avon, Kent , Sussex, Dorset, right across the South of England and all over the UK.

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