Sealing Metal Joints with Sikaflex 1a Aluminum Gray
If you've ever stared at a gap in your metal siding or a drafty window frame and wondered what to use, sikaflex 1a aluminum gray is probably the first thing a pro would tell you to grab. It's one of those products that shows up on almost every commercial job site, and for good reason. It isn't your average hardware store caulk that's going to peel off the second the sun gets too hot or the temperature drops. This stuff is a high-performance, moisture-cured, polyurethane sealant, which is a fancy way of saying it's built to take a beating while staying flexible. ...