Roofing underlayment is one of the most critical but often overlooked components of a roofing system. Installed beneath the shingles, this hidden layer plays a vital role in protecting your home from moisture, heat, and other environmental stressors. Whether you’re building a new home or replacing an aging roof, understanding the function and benefits of underlayment is key to ensuring long-lasting performance and protection. A Barrier Against Water Damage One of the primary purposes of