When executing waterproofing or resinous flooring over concrete slabs and retaining walls, underground moisture is your most destructive hidden enemy. Applying a traditional non-breathable layer before the concrete is fully cured (or on slabs resting on high groundwater tables) traps moisture, which vaporizes and creates immense upward hydrostatic pressure. This intense vapor drive physically blisters, bubbles, and destroys epoxy and polyurethane finishes.
The Solution: Moisture-Tolerant Chemical Barriers and Bitumen Systems When timelines demand working over damp substrates, deploying reactive moisture barriers or advanced water-based bitumen networks is non-negotiable:
- Epoxy Systems on Damp Slabs: Formulated as a two-component, solvent-free system, DAUGUARD E-SEAL PRIMER SF is engineered with damp-surface tolerance, locking moisture deep inside the mineral capillaries and shielding subsequent coatings from osmotic blistering.
- Multi-Substrate Transition and PU Shielding: When moisture protection is required across diverse transitions—including concrete, steel, marble, or glass—the two-component polyurethane-based DAUGUARD PU-SEAL PRIMER 2K deeply saturates the substrate to deliver an impenetrable anchoring layer.
- Pre-Bituminous Membranes and Liquid Coatings: For foundations and below-grade sub-structures, applying the water-based, ready-to-use DAUGUARD BITUM PRIMER is mandatory prior to torch-applied membranes or liquid bitumen coatings. It securely satisfies substrate absorption, allowing the main waterproofing shield to fully fuse with the concrete.
