P-NPCCAULK

NPC Solar Seal #900 Caulk is terpolymer rubber adhesive and sealant. This high-performance alternative to silicone and urethane products is ideal for commercial, industrial and high-end residential projects.

Solar Seal offers exceptional joint flexibility and adhesion, as well as full UV protection.

Formulated to work with a variety of siding materials, this caulk comes in several versatile standard colors.

Solar Seal skins in one hour and cures to a tough, flexible bead. It can be used in all four seasons with sacrificing performance.

Also look for NPC Solar Seal in color-matched options for LP SmartSide ExpertFinish and EDCO siding.