Best deal: $16.64 per gallon (58.1% below the median) — Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon
Price range: $16.64 – $4,352.00 per gallon across 53 offers. Median sits at $39.68.
Top brands showing: Metal Paint, Rust, Thompson Water Seal.
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