Underlayment UNDERLAYMENT Underlayment for roofs and walls. (Roofing).(Brief Article) Under roof peel and stick tile underlayment Tape underlayment rotary-node (TURN) valves for simple on-chip microfluidic flow control Development of Tire Shred Underlayment to Reduce Groundborne Vibration from LRT Track LONG-TERM PERFORMANCE OF ASPHALT UNDERLAYMENT TRACKBEDS FOR SPECIAL TRACKBED APPLICATIONS Long-Term Performance of Asphalt Underlayment Trackbeds for Special Trackbed Applications Interlaboratory comparison of formaldehyde emissions from particleboard underlayment in small-scale environmental chambers. Numerical Simulations of Vibration Attenuation of High-Speed Train Foundations With Varied Trackbed Underlayment Materials