Thompsons One Coat Water Seal penetrates deep into the pores of the substrate, giving up to twice as long protection from water damage.
Thompson's One Coat Water Seal uses a unique micro silicone emulsion to stop water penetration. Apply just one coat of Water Seal directly onto damp surfaces to provide long lasting waterproof protection within hours.
Thompson's One Coat Water Seal Safety Data Sheet
Thompson's One Coat Water Seal Data Sheet
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