Technical Information
Spectrem® 1 is a single-component, moisture-cure, ultra-low modulus silicone sealant designed for dynamic expansion joints and high-movement building envelope applications. It provides excellent adhesion, exceptional weatherability, and movement capability of +100/-50%, making it well suited for aluminum curtain walls, precast concrete panels, metal panels, perimeter caulking, window perimeters, expansion joints, and air barrier transitions. Spectrem 1 is ideal for commercial glazing, façade sealing, exterior wall joints, waterproofing details, and long-term silicone sealant applications.