Gill Building Supply offers a range of reliable underlayments designed to enhance the performance, comfort, and longevity of flooring and roofing systems. Underlayments play a critical role by providing a smooth surface, reducing sound transmission, and adding protection against moisture and movement. Ideal for use beneath hardwood, laminate, vinyl, tile flooring, and roofing materials, our underlayments help improve stability and overall system performance. They contribute to better comfort underfoot, reduce noise between floors, and support proper installation of finished surfaces. Whether used in residential or commercial projects, underlayments from Gill Building Supply deliver dependable protection, easy installation, and long-term value—helping ensure your finished floors and roofs perform at their best.