The Roberts 70-198 33.5in. x 72ft Silicone Moisture Barrier is a high-quality flooring underlayment designed for various installation locations such as above grade or concrete subfloors. Made of paper, plastic, solid wood, and rubber, this product features a smooth white color and a thickness of 6 mil. With features like antimicrobial properties, moisture resistance, and mold resistance, it is suitable for use in bathrooms, kitchens, basements, bedrooms, and living rooms. This product provides coverage for 18.6 square feet, making it suitable for both residential and commercial flooring projects.