Spectrem® Simple Seal is an ultra-low modulus, preformed silicone extrusion specifically designed to have high elongation properties. Simple Seal is typically bonded with Spectrem 1 Silicone Sealant to a wide range of substrates to provide a watertight seal. Spectrem® Simple Seal high-performance silicone extrusion is designed to seal joints and gaps ranging from low to high movement conditions. For new construction and restoration projects, Simple Seal provides flexible, tear-resistant properties that will help to protect your building from moisture penetration for decades to come.