Providing  an unrivalled selection of high quality, high performance expansion systems



RAB Expansion Joints is a trading name of RAB Product Developments Ltd. (also owners of RAB Associates Ltd.).  The role of RAB Expansion Joints is to focus solely on the supply of Wabo® Systems by Watson Bowman Acme. This range offers the widest possible choice for expansion control systems and responsible solutions for civil and commercial structures. RAB have many years of experience in the industry to call upon to help us with the design and supply of long-term, cost-effective solutions. It is our aim to offer an unrivalled choice of high quality, high performance expansion joints which address requirements for sustainability, aesthetics, water tightness, disability access and fire protection.

For Wabo® Installation  and  Permatrack services and information, please visit:

Our expansion joint guide can help you find the right expansion joint system. Includes a handy 2 page checklist.


Our new product brochure presents images and key features for the complete 2021 expansion joint product range.


RAB have been a fully certified, UKAS accredited,  ISO9001 company since 2016.  We place great emphasis on the quality of our products and services and our employees are proud of our track record and history.

Quick links to our expansion joint finders



Wabo® Expansion Systems are the preferred option around the world for some of the most prestigious and complex projects 

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