Leaving your concrete unsealed in Denver’s environment leads to rapid structural and cosmetic deterioration. Because concrete is porous, it naturally absorbs moisture; without a protective barrier, this moisture causes significant damage through several processes:

• Freeze-Thaw Damage: Denver averages 70 freeze-thaw cycles annually. When absorbed water freezes, it expands, causing the concrete to crack, pit, and spall (surface peeling) in as little as a few seasons.
• UV Degradation: High-altitude sun exposure at 5,280 feet intensifies ultraviolet damage, which weakens the concrete surface over time.
• Chemical Corrosion: Unsealed surfaces allow de-icing salts and snow-melt chemicals to penetrate the slab, leading to discoloration and internal breakdown.
• Staining and Aesthetics: Without a sealant, concrete is vulnerable to deep staining from oil and minerals (efflorescence), and may develop issues like vegetation growth in widening cracks.

Ultimately, failing to seal your concrete often results in the need for expensive concrete crack repair or premature concrete replacement, which far exceeds the cost of routine maintenance.