The 1000mm x 101mm Flexel mastic tape is a self-adhesive sealant used in the Flexel EcoFilm Pro kit to seal air gaps and secure connections, ensuring an airtight and moisture-resistant installation. It is applied over joints in insulation boards and used to seal around connection leads and cables to protect them. This tape is essential for maintaining system efficiency and creating a durable, professional finish
1000mm x 101mm Mastic Tape
