Moisture vapor barriers prevent epoxy floor failure by forming a seamless, non-porous membrane that blocks water vapor from rising through the naturally porous concrete slab. Because concrete acts like a wick, drawing moisture from the ground, untreated slabs allow vapor to migrate upward and condense directly beneath the epoxy film. Without a barrier, this trapped moisture creates pressure that causes the coating to blister, peel, and delaminate.
We utilize low-VOC, 100% solid epoxy systems engineered specifically to:
- Stop vapor transmission: By sealing the surface, the barrier prevents moisture from reaching the underside of the epoxy and breaking the adhesive bond.
- Resist hydrostatic pressure: These systems are designed to withstand the physical force of water pushing up from below the slab.
- Prevent environmental damage: The dense barrier helps inhibit the growth of mold and protects against freeze-thaw damage, which is particularly common in Alberta’s climate.
To ensure these barriers perform effectively, we always start with Diamond Grinding to open the concrete’s pores for a strong mechanical bond, followed by ASTM F2170 or F1869 testing to confirm moisture levels are within an acceptable range. This comprehensive approach ensures the flawless finishes your business deserves while protecting your long-term investment.
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