Permapile is the ultimate 100% waterproof coating for marine piles and treated marine lumber. PermaPile is a modified elastomeric asphalt emulsion, single component product that is cold-applied. PermaPile yields a membrane that is waterproof and has strong adhesion and elasticity properties. It is water-based and environmentally safe alternative to conventional hot-applied, solvent-based membrane waterproofing systems. Below are the features and benefits of PermaPile.