Murco M-100, Hypo-Allergenic Drywall Compound All Purpose Taping, Topping and Texture Compound for drywall and interior finishes. 25 lb bag. Murco Wall Products’ M100 Drywall Joint Compound creates immaculate designs and patterns catering to high quality standards. M100 is recommended for use to create an eco-friendly, toxin free environment. The powdered all-purpose, joint compound is formulated with no preservatives, mildewcides or fungicides, ensuring air quality and environmental safety, and contains no Volatile Organic Compound (VOC). M100 joint compound is made with inert fillers and natural binders only. It contains no slow-releasing compounds, and mixes easily with tap water. M100 Drywall Joint compound is created without VOCs and toxins. Designed specifically for the chemically sensitive, this product is considered hypoallergenic.