Flex-In Band 50x25mt Green - Mungo 71716025 Single membrane for completing the installation of windows and doors - Use on the internal side of the primary joint Characteristics Product compliant with the UNI 11673-1 standard Product suitable for installing quality windows LDPE film with barrier effect against air, wind and vapor diffusion Suitable for total air/vapour waterproofing according to DIN 4108-7 standard Perfectly adaptable to the movements of the joint High elasticity, flexibility and tear resistance Quick and easy application thanks to the self-adhesive side Suitable for application on both renovations and new installations of counter frames, doors and windows Applications sealing window installation joints