AQUADUR is a two-component, water based, epoxy coating. It has a track record of more than 20 years of successful use as primer for the HYPERDESMO® line of products, as well as other ALCHIMICATM polyurethane based products.
It is certified as Class III water and humidity barrier, which makes it ideal for applications subject to negative pressure / rising humidity.
An easy to use and safe (zero VOC) product with many applications besides priming. Properly chosen sealants can cause staining or etching of the substrate and loss of sealant adhesion.