The long-term gains of using high-quality, code-compliant harward is directly reflected in decreased liability and increased reliability. Simpson Strong-Tie focuses on creating structural products that help support and strengthen the frames of homes and buildings, making them stronger and safer. Although most homeowners never see these products that are hidden inside walls, they play an important role in making sure homes stay together, especially during a natural disaster. Withers Lumber carries Simpson hardware because it is tested and approved for both interior and exterior applications.