Titebond II Extend Wood Glue combines weatherproof performance (ANSI Type II water-resistance) with a slower speed of set. It is ideal for exterior applications that involve more complex assemblies. It also provides a translucent glue line, offers excellent sandability and is unaffected by finishes.Titebond II Extend offers superior performance on all common wood species, particleboard, MDF, plywood and other porous materials. In addition, it is compatible for use with Hot Press and radio frequency (R-F) gluing systems.