MULCO® Butyl Exterior Multipurpose Sealant is a butyl rubber architectural one component sealing compound for general exterior use. It is used to seal outdoor joints between two perpendicular surfaces subject to thermal movements or for sealing joints arounddoor and window frames and sidings. It has good adhesion on many surfaces such as natural, painted or anodised aluminum, painted or stained wood, concrete or masonry.

• Mildew-resistant
• Excellent adhesion to glass and ceramic
• For exterior use