About Deckstrip®-ASR Acrylic Stain Remover Easily strip hard-to-remove acrylic stain from exterior wood with Rust-Oleum® Wolman™ DeckStrip®-ASR Acrylic Stain Remover. This 100% biodegradable formula quickly removes solid or semi-solid deck and siding stains. Just spray on and power-wash off. Professional strength formula - wetting agent, thickener and highest concentration of active ingredient allowable provides maximum stripping power. Safer-to-use than paint strippers – no methylene chloride or caustic chemicals. Easy to use – spray on, rinse off; no scraping or sanding.