Welcome to Harrison Preservation Ltd. We’re a family owned and run, specialist Damp, Structural Waterproofing and Timber Preservation Contractors, with 26 years of industry experience.

Our field force operates right across the South East of England, from Norfolk, Suffolk, Essex and down to Kent and from Surrey, throughout London, Herts, Beds and Cambridgeshire.

Aside from regular business from our valued domestic customers, our work is such that we are also regular sub-contractor for many of the leading names in the construction industry including Bovis, Crispin & Borst, Ellmers, Northwest Holst and Mansell.

Our customer base also includes renown building maintenance organisations such as the Historic Churches Preservation Trust the Royal Palaces Agency and English Heritage, for whom we Sika render waterproofed the vaults of historic Wellington Arch, pictured right.

Cavity Membrane

This extremely effective system utilises an ‘egg box’ style design.
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Concrete Repair

We have processes to prevent damp or water penetrating walls.
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Dry & Wet Rot

Wet Rot can usually be dealt with by removing the source of dampness.
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Epoxy Resin

One of our fail-safe techniques is the use of Epoxy Resin Repair.
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Rising Damp

This is an aspect of home ownership that affects millions of properties in the UK.
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Tam Injections

Harrison Waterproofing are authorised TAM injection repair specialists.
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With a CDM system any moisture is allowed to pass through the masonry.
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We are able select the most appropriate treatment where Woodworm is found.
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