ASMACO 2670 is designed for use as a weather seal sealant in applications. A single component neutral curing low modulus silicone sealant with good mechanical resistance and adhesion to most porous and non-porous substrates. It has excellent weathering characteristics and will not stain most common substrates. It has a high degree of joint movement accommodation, anticipated such as in structurally glazed curtain wall or aluminum cladding. It can also be used as a premium grade sealant in general applications such as expansion joints and external perimeter joints in concrete, block work & brick works.