Exterior Aluminum Composite Panel Joint Sealing

PublishedAt: 2026-07-02

This 9900 weather sealant seals all seams of aluminum composite panels on commercial streets and residential exterior walls, including panel joints and edge connections between panels and window walls. It boasts excellent adhesion to aluminum composite panels and cement walls with no delamination or debonding. Resistant to rain, snow and acid rain, it stops wall water seepage, blackening and mildew, and works for both indoor and outdoor use to create smooth, neat decorative facades.