How Water Can Interfere with a Stain or Sealer
To form decorative concrete, beauty and strength converge together. They create a durable and aesthetically-pleasing floor and can achieve a wide variety of desired effects. One of the most important variables in decorative concrete is the moisture content. Moisture in the concrete can come from two main sources: the water used to mix the cement into concrete or the external source of water, such as groundwater. Both sources can interfere with a stain or sealer.
The finishes were applied at the wrong time.
The damage that excess moisture can do to your stain or sealer can look different depending on the amount of excess moisture and the type of stain or sealer used. If efflorescence occurs, it could indicate that the stain or sealer was applied before the concrete had a chance to dry sufficiently. Efflorescence is when the concrete dries and the moisture rises towards the slab. It can leave a white, powdery substance on the concrete’s surface after staining but before sealing.
Reactive and non-reactive stains color the concrete in different ways, leading to different indications of moisture damage. Generally, if there are undesirable color changes, lighter or uneven coloring, flaking, peeling, blistering, and dark spots, there could be a moisture issue at hand.
Excess moisture can create several different problems when it comes to using sealers. If there is moisture damage when using a water-based sealer, a powdery or white substance may appear. If a solvent-based sealer is applied in the presence of excess moisture, you may see grey spots, color turning white, cracking, chipping, or foam.
Professionals will know how to avoid moisture issues and damage. They will avoid problems by conducting a moisture test before applying the finish. Waiting to apply the stain and sealer until the concrete is ready takes planning and patience. Fortunately, it is all worth it when the finished product is high-quality decorative concrete that offers exceptional longevity and beauty.
All Stone Restoration can restore your concrete floor or add in a new, sparkling one. Whether you need help deciding on the finish or decorative style, contact us today for your free on-site advise and estimate. We look forward to hearing from you.