Description
PureSeal BioClear Pro is our fully approved and licensed 40% DDAC product, registered on the COPR database (No 10854) as a surface biocide. This product is licensed for professional use only, and it is your responsibility as the end user to have the necessary training required by the HSE to use professional use only biocides.
PureSeal BioClear Pro is a professional-grade biocide that fast-acts against biological growth on external hard surfaces. It can be used on roofs, render, and ground surfaces, and one coat applied with a brush or a sprayer is enough to break the reproductive cycle of microbial surface contaminants.
When using biocides, many factors must be considered to determine dilution ratios, longevity, etc. Environment (trees, shaded areas, etc.), temperature, and surface type also play vital roles in product performance. As a rule of thumb, if the surface is non-porous (coated cladding, porcelain, for example), then using a biocide wouldn’t necessarily give you longevity; however, it will still provide an instant kill, allowing the biofilm to weather away over time.
Pets and children need to be considered, too. If you use biocides and pets or children have access to the treated area, we always recommend applying the biocide, allowing the product to remain on the surface for an hour (it doesn’t matter if the biocide dries out), then rinse the area thoroughly. This will remove any residues that could harm your customers’ loved ones.
For general instruction, we recommend diluting BioClear Pro 1 part biocide to 20 parts water for render and roof slates/tiles (when scraping) and 1 part biocide to 40 parts water for ground surfaces. Once diluted to these ratios, apply at a rate of 4m2 per litre. Please refer to the chart below for more detailed dilution ratios and application rates.
The dilution ratios in the chart below are approximate and will depend on the surface’s porosity and condition. Apply BioClear Pro onto the surface and leave it to self-cleanse.

















Artificial and Sports Surfaces
Awnings / Canopies / Gazebos
Block Paving
Brickwork
Composite Surfaces
Decking / Timber
Granite
Imprinted Concrete
Internal Masonry
Limestone
Marble
Metal Cladding
Polished or Honed Stone
Porcelain
Render
Resin Bond
Road and Rail Signs
Roof Tiles / Slates
Sandstone
Slate
Solar Panels and Glass
Stone Sills and Pier Caps
Tarmac and Asphalt
Gutters & UPVC
Acid Damage
Biofilm
Bitumen
Blood
Carbon
Concrete / Grout / Mortar
Copper Oxide
Efflorescence
Egg
Failed Sealer
Fire Damage
Fuel / Oil
Graffiti
Grease / Fat / Cooking Oil
Lawn Fertiliser
Lead Carbonate
Lead Oxide
Paint Splashes
Rust
Tar & Glue
Tannin Removers
Traffic Film Removers
Trapped Moisture / Sealer Repairs
Urine Neutralisers
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