SIKA Sikaflex Construction Sealant – Aluminum Gray, Paintable Polyurethane, All-Purpose for Sealing Joints & Gaps, 10.1 fl. oz Cartridge – Weatherproof, Durable, Self-Leveling, Non-Corrosive

Customers find the sealant to be a high-quality caulk with good adhesion and flexibility, noting it maintains its flexibility and is generally paintable. The product works well for various applications, with one customer mentioning its effectiveness for sealing plastic caps and another for insulating against rain. While the sealant lasts well outdoors, customers report mixed experiences with adhesion, drying time, and ease of use.