Manufacturer of the premium Limited Lifetime Warranty REX SynFelt Synthetic Roof Underlayment and TECHNO SB Ultra, our TECHNO SB family which includes 50 Year Warranty TECHNO SB 50 and 25 Year Warranty TECHNO SB 25 cost economy underlayment. Also, new for 2022 is our line of self adhered underlayments and Deck Tape products. Alpha Pro Tech is the leading manufacturer & developer of synthetic underlayments, not an importer of me too products., WE HAVE YOU COVERED!