Architects & Specifiers

Our products can enable you to utilise space and maximise your plans on your next project.

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Building & Roofing Contractors

Cut work time and labour costs with our fast curing and easy to apply products.

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Retail & Distribution

Our retail networks are amongst the best in the country with excellent stock levels & fast delivery.

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Private Label

For much larger retailers and distributors you can create a niche in the market for yourselves.

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Alchimica® are the world’s leading manufacturer of polyurethane liquid waterproof membranes and PU sealant technologies.  For over 35 years architects, specifiers and contractors in 65 countries across 5 continents have chosen Alchimica® Building Chemicals for our…

Product Innovation
Advanced Systems & Technologies
World Class Research & Development Laboratories


We are producers of advanced waterproofing and sealant technologies that are used extensively across the world.  Through research and development and product innovation we have developed solutions with ease of application in mind, without compromising performance or quality.  Our range of liquid systems includes solutions for projects such as those below.  You may also click on any of the product links to view more details.

About Alchimica

For over 35 years, Alchimica® has successfully provided products and services to architects, engineers, home builders, contractors and building owners worldwide. Our UK office is based in Pembrokeshire and serves the whole of the United Kingdom and Ireland. In addition to many products that carry our recognised name and branding, we also produce private label materials for a number of companies throughout the region to specific individual requirements.

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Case Studies

Client Testimonials

For more information on our products please get in touch!