Can Thompson’s Water Seal be used indoors?

Yes. The water resistant formulation is suitable for both interior and exterior use. Is Thompson’s water Sealer toxic? Seal-Once is non-flammable, non toxic and is harmless to humans, animals and plants. Seal-Once contains no VOCs or petroleum distillates. Can you use outdoor sealer inside? Yes, you can use exterior caulk for interior finishes. The main…