Ideal Tape® 427 PSK
PSK tape for sealing, seaming, and joints on insulation systems
Ideal Tape 427 is a PSK (Poly/Scrim/Kraft) tape used for sealing and seaming insulation systems where PSK facing is used. 427 PSK tape creates a vapor seal on Lamtec® WMP-10 and WMP-30 faced insulation in both mechanical and MBI applications.