Surface Preparation
Ensure the concrete surface is clean, dry, and free of curing compounds, sealers, coatings, or contaminants. On new concrete, delay application until the surface is walkable and free from plastic shrinkage concerns. For existing slabs, mechanical scrubbing improves absorption.
New Concrete
Prepare the surface with appropriate finishing tools. Use an evaporation retarder if required. Apply when slab is walkable but prior to hairline cracking.
Existing Concrete
Remove dust, oil, adhesives, or paint residues. Ensure slab is porous and dry. Mechanical scrubbing is recommended for uniform treatment.
Timing: Wait at least 24 hours after washdown or curing compound removal before application.
Pro Tip: Do not apply over wet or non-absorbent surfaces — it may prevent penetration.