Enhance the performance and durability of your waterproof backer boards with GoBoard washers. These top-quality washers come in a pack of 125 and are designed to fit 1 1/4 inch screws. They are made by John Manville, a leading brand in the construction industry, ensuring reliability and longevity for your project.

These inch-based washers are perfect for enhancing the stability of your backer boards without compromising on their waterproof properties. With their superior grip and strength, you can trust that your tiles will stay firmly in place for years to come. Upgrade your construction projects with GoBoard washers today!