BU-TYLENE PE WAVE is a self-adhesive sealing butyl tape protected by a strong, high density, cross laminated, white crepped polyethylene film. The special crepped PE film allows a 60% elongation/ deformability. Self-Adhesive and Self-Sealing; 60% Elongable/Deformable; Flexible, light, easy to manage and to apply. Bu-tylene PE Wave is an ideal jointing tape for the sealing of connections. The product perfectly moulds to irregular structures. Bu-tylene PE Wave is not U.V. resistant. It is necessary to protect the tape from U.V. rays within a few months from the application.