HydroBond PVC Water-Based Adhesive is a water-based, wet lay-in, one-sided dispersion adhesive. Compatible with only VersiFlex PVC smooth-backed and PVC and KEE HP VersiFleece® membranes, this product is ideal for bonding PVC membranes to various porous and non-porous substrates. HydroBond is used to secure the PVC membranes to clean and dry horizontal surfaces up to a 2:12 slope and as a contact adhesive in vertical applications.