... Stones, Metals, Curtain Wall GNS S616 Building SealantConstruction Grade Silicone SealantNeutral cureUse for ACP, Stones, Metals, Curtain Wall ... DescriptionS616 is a one part neutral cure construction grade silicone sealant that easily extruded in any weather. It ... perimeter joints.Surface like glass, aluminium, ceramics, metals, steel, fiberglass, most plastics, tiles, bricks, marble & granite and so ...