Thompson's waterseal has been developed to deliver instant, invisible protection against water damage. Clean the surface to be treated, removing any mould or fungal growth and any loose surface coatings.
For maximum waterproofing protection carry out any repairs and fill any surface cracks prior to treatment. Ensure surface is dry prior to applying Thompson's Water Seal
Apply by brush, roller or low pressure spray work the product from the bottom up ensuring that the whole surface is treated. Clean brushes and equipment with white spirit.