 NEW YORK, July 2, 2021 PRNewswire -- Juan Monteverde , founder and managing partner at Monteverde Associates PC, a national securities firm rated Top 50 in the 2018-2020 ISS Securities Class Action Services Report and headquartered at the Empire State Building in New York City, is investigating Lydall, Inc. LDL or the Company LDL relating to its proposed acquisition by Unifrax. LDL shareholders will receive 62.10 in cash per share they own. 