Best deal: $17.97 per gallon (64.8% below the median) — Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon
Price range: $17.97 – $168.80 per gallon across 50 offers. Median sits at $50.99.
Top brands showing: Rust, Insl, Glidden Porch.
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