At Platinum Chemicals, we are proud to be a major UK distributor of the Sovereign Chemicals range – one of the most respected and established names in the building preservation and remedial treatment industry.

Since 1965, Sovereign has been at the forefront of developing innovative damp proofing, waterproofing, timber treatment, and surface protection solutions for the construction and restoration sectors. The brand’s reputation is built on decades of rigorous testing, outstanding performance, and ongoing product development backed by robust accreditation, including full BSI approval and British Board of Agrément (BBA) certification on many of their systems.

Today, Sovereign Chemicals is a Bostik-owned brand within the global Arkema group. Under this banner, the Sovereign name continues to uphold the high standards that earned it the Royal Warrant in 1987. From historic buildings and royal residences to modern commercial and domestic applications, Sovereign products are relied upon by contractors, surveyors, and tradespeople across the UK.

At Platinum Chemicals, we supply a broad selection of Sovereign’s most effective and in-demand treatments, ranging from high-performance timber preservatives and masonry biocides to specialist wood stains, surface preparation products and additives for damp remediation render systems.

Timber Treatments, Woodworm Solutions, and Decorative Finishes

Sovereign’s timber treatment range includes specialist coatings designed to protect and preserve both softwood and hardwood in all environments. The solvent-based Sovereign Timber Treatment is available in brown and clear water-repellent variants, both offering deep penetration, UV stability and fast drying times. These formulations contain high-performance resins, pigments, and biocides, delivering long-term resistance to moisture and microbial degradation. They are ideal for pre-treatment of timber used in outdoor structures, fencing, cladding, or garden furniture, offering a robust foundation before decorative staining or painting.

For a professional finish, Sovereign SX70 Wood Stain provides a long-lasting, UV-stable, and water-repellent protective coating that enhances the natural grain and beauty of the wood. It’s suitable for internal and external use on a wide range of surfaces, including doors, windows, panelling, soffits, and outdoor joinery. The SX70 system is further supported by Sovereign SX70 Reviver, a solvent-based topcoat that restores colour, boosts UV protection, and prolongs the life of previously stained surfaces without darkening the timber.

To ensure protection from the earliest stage, Sovereign SX70 Basecoat Primer is available for application to untreated wood. This microporous basecoat offers initial water repellency and anti-fungal resistance, allowing the timber to breathe while shielding it from early-stage degradation. The primer should be overcoated with paint or stain within three months to achieve full protection.

For insect-infested wood, Sovereign offers a comprehensive line of HSE-approved treatments. Sovereign M8 Woodworm Concentrate is a Permethrin-based microemulsion that eradicates wood-boring insects at all life stages. Free from VOCs and solvents, it is virtually odourless, fast-absorbing, and safe for enclosed spaces. Where fungal decay is also a risk, Sovereign M9 Dual Purpose Concentrate delivers protection against both woodworm and wood-rotting fungi, including wet rot and dry rot. Combining Permethrin, Propiconazole, and IPBC, this microemulsion concentrate ensures thorough penetration and lasting protection with minimal disruption.

For deep penetration into large-section timbers, Sovereign Deepkill offers an advanced cream emulsion formulation designed to combat infestations in structural beams, joists, and flooring. It is particularly effective in heritage buildings, moisture-prone spaces, or anywhere where conventional surface treatments fail to reach. Sovereign Deepkill dries clear, has low odour, and is approved for use in protected environments such as bat roosts (with SNCO approval), further underscoring its professional pedigree.

Professional Solutions for Damp, Salt Contamination and Re-Renders

Sovereign has long been synonymous with remedial damp treatment and salt control. Their expertise in these areas is evident in products like Sovereign RenderMix – a render additive and waterproofer that enhances the workability and moisture resistance of sand and cement backing coats following the installation of a chemical damp proof course. RenderMix helps prevent the migration of hygroscopic salts to surface plasters, preserving the integrity and aesthetics of internal finishes while maintaining vapour permeability – a crucial factor in both heritage conservation and modern damp remediation.

Also integral to pre-treatment and re-rendering systems is Sovereign Hey’di Antisulphate, a specialist solution designed to neutralise salt contamination in masonry caused by rising damp, chimney flue deposits, or flood damage. This deeply penetrating liquid chemically converts soluble salts into stable, insoluble compounds that are locked in place, protecting render coatings and tanking systems from deterioration. By preventing the reappearance of damp patches caused by salt migration, Hey’di Antisulphate ensures a solid, stable base for tanking slurries, waterproofing membranes, and breathable decorative coatings.

External Surface Sterilisation and Algae Removal

Before applying any coating or waterproofing system to masonry, a clean, biologically neutral surface is essential. Sovereign Masonry Sterilising Wash delivers professional-grade surface preparation by removing moss, algae, lichen, mould, and bacteria from brickwork, stone, render, tiles and other external substrates. Its Quaternary Ammonium Salt formulation provides long-lasting biocidal action without harsh acids or bleaches, making it safe for sensitive surfaces. Used as a standalone surface cleaner or in preparation for further damp-proofing treatments such as Lignum Pro M50, this product ensures maximum adhesion and durability of protective coatings by eliminating surface contaminants and microbial growth.

Buy Sovereign Chemicals Products Online from Platinum Chemicals

As a trusted distributor of Sovereign Chemicals products, Platinum Chemicals is committed to supplying trade professionals, contractors, and property specialists across the UK with access to one of the most respected brands in the industry. From timber protection and dry rot treatments to external surface sterilisers and salt-control additives, we offer a carefully curated range of Sovereign solutions tailored for building preservation, restoration, and damp control. With all products backed by HSE approval and manufactured to British and European standards, Sovereign remains the gold standard in remedial building chemicals – and Platinum Chemicals is your source for fast, reliable delivery and expert support.

At Platinum Chemicals, we are continually expanding our range of Sovereign Chemicals products to meet the evolving needs of our customers. We are actively adding new solutions from the Sovereign portfolio, and more high-performance damp proofing, waterproofing, timber treatment, and surface preparation products are expected to follow. Whether you are looking for trusted classics or the latest innovations from Sovereign, our growing range ensures you’ll find the right solution for your next project.