Thompson's One Coat Damp Seal is a high performance interior coating developed to obliterate interior damp, water and other household stains For maximum perfromance ensure that the source of the damp is treated prior to application. The microporous formulation can be applied directly to damp surfaces allowing the surface to breathe and trapped moisture to evaporate over time.

The high performance One Coat formula obliterate's damp stains in one coat apply using a brush and work well into the affected area

The fast drying formulation dries within 4 hours providing the perfect base for painting and wallpapering over