Products categorized as Expansion Joint Sealants Viewing Results 1 - 1 of 1 Rowan Blue Expansion Joint Sealer Rowan Blue Silicone is a single package, caulking grade material developed for use where an oil resistant, oil tight seal is required, such as expansion joints in epoxy grout caps. Because Rowan Blue Silicone is much more oil resistant than other room temperature cure silicone sealants, it also can be used to seal engine inspection doors and as a general purpose, oil resistant gasket. Home > Products > Category: Expansion Joint Sealants