Harrison Waterproofing Residential and Commercial Structural Waterproofing Specialists in Structural Waterproofing, Damp Proofing & Timber Preservation Services include Waterproofing, Damp Proofing,
Concrete repair, Tanking, Gunite Lining, Epoxy Resin Repairs, Wet & Dry Rot and Timber Treatment
London and South East England Serving

Harrison waterproofing the specialist for the construction industry

Harrison Waterproofing is a specialist firm offering a wide variety of services in structural waterproofing, basement waterproofing, damp proofing and timber preservation for both commercial and domestic applications.

We operate right across London and South East of England and have in excess of 40 years of industry experience. Covering London home counties, Norfolk, Suffolk, Essex, Kent, Surrey, Hertfordshire, Bedfordshire and Cambridgeshire.

Our services include waterproofing, damp proofing, concrete repair, resin floors, Gunite lining, epoxy resin repairs, wet & dry rot, and timber treatment.

Harrison Waterproofing are full members of BWPDA and the PCA since 1995 , we are recommended by the leading waterproofing manufactures in our industry; Sika, Delta, Triton, RIW, Koster, Rotafix, Vandex, Flexcrete, Ronacrete, Tam Injection  and Grace.

Our customer base includes main building contractors, architects, the Royal Palaces and English Heritage. We provide a comprehensive on-site report, fully documented cost estimates and apply the latest systems and technology for peace of mind.

Our Services

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

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

With a CDM system any moisture is allowed to pass through the masonry.

We use high quality repair materials and protective systems to strengthen and prolong the life of a structure.

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

We are able select the most appropriate treatment where Woodworm is found.

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

Harrison Waterproofing are authorised TAM injection repair specialists.

We have processes to prevent damp or water penetrating walls.


At Harrison Waterproofing, we’re approved experts at providing waterproofing solutions and are now installing Sikalastic®-8800, which is ideal for both concrete and steel applications.

SikaProof® A-08

Sikaproof® A-08 is an embossed ployolefin FPO sheet membrane for pre-applied fully bonded below ground waterproofing of reinforced concrete structures.

RIW Structural Waterproofing

Harrison Waterproofing are approved contractors for RIW Waterproofing offer a range of products for structural waterproofing, basement tanking and damp proof membranes.

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