Home/P&M buys insulation firm PLG/Thermal-Insulation-Engineers-at-Gloucestershire-based-PLG-Insulations-finishing-the-pipework-insulation-cladding-on-a–35-degree-ammonia-vessel-medium Thermal-Insulation-Engineers-at-Gloucestershire-based-PLG-Insulations-finishing-the-pipework-insulation-cladding-on-a–35-degree-ammonia-vessel-medium