CHAS (The Contractors Health and Safety Assessment Scheme) was created by experienced health and safety professionals in 1997 to improve health and safety standards across the UK.​

In partnership with the Association of London Government (ALG), CHAS was a key developer of the core criteria held in the Approved Code of Practice which supported the Construction (Design and Management) Regulations 2007 (now recogonised as CDM 2015) and is a founder member of SSIP (Safety Schemes in Procurement).

Property Care Association

Representing specialists who can be trusted to resolve problems affecting buildings, Property Care Association members are qualified to inspect and resolve problems with damp, condensation, waterproofing, structural decay or flood protection. They aim to promote high standards of professionalism and expertise within the industry through training and other support services. Striving to promote the work of the association, the PCA provides an ‘industry voice’ on behalf of members.

Some of our local branches may only have a provisional membership. Please check the PCA website to find out.


Set up in the 1970’s, the Institute of Specialist Surveyors and Engineers promote professional standards within the fields of specialist surveying, engineering and related professions. Member activities range from the investigation of all types of dampness including condensation through to structural defects.

Guarantee Protection Insurance

GPI is an authorised and regulated UK insurer who operates from their offices in Liverpool. They provide a range of insurance solutions to trade associations, construction professionals, product manufacturers, brokers, warranty companies and insurance intermediaries. Their licenses enable them to write insurance policies in respect of miscellaneous financial loss, damage to property and natural forces.


Founded back in 1965, Sovereign has long been acknowledged as the respected name in the field of chemical products for the building and construction industry. They offer only the best quality damp-coursing products which are manufactured at their own site to exacting formulations. Prokil use these products in all their work, ensuring you benefit from the highest standard.


In order to better serve customers and to represent the interest of its members, the acitivites of the British Wood Preserving and Damp-proofing Association are now part of the Property Care Association. Formed over 75 years ago, the association provides a full range of technical, marketing and administration services to mebers, specifiers and clients.

Trust Mark

Trust Mark is a quality signature that operates a framework in the repair, maintenance and improvement sector. If a firm displays the TrustMark logo, you know that Trust Mark have approved and inspected the firm through one of their scheme operators and found that the firm meets the required Government endorsed criteria.

Pam Ties Ltd

PAM Ties are market leaders and specialists in the manufacture and distribution of damp-proofing, waterproofing and structural remedial products. Based in Manchester, their modern approach to the remedial market has seem them grow from strength to strength over the last 25 years.


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