in a Konishi Bond Silicone Sealant Gray 330ML [Sold box] (20 pieces)

A high-performance sealing material that can be used for both the interior and exterior of buildings. Compatible with healthy homes, elasticity, high water resistance, heat resistance, cold resistance, durability, weather resistance, and cannot be painted. A high-performance sealing material that can be used for both the interior and exterior of buildings. Also for use around water. Watertight and airtight seals around glass and sashes of buildings.