Express Gel Solder Fluxes are designed for soldering copper, zinc and stainless steel metal roofing, wall panels and any project using these metals. Express solders are the standard for soldering metal roofing and gutters, as well as anything that needs soldering!
- 845 Flux (Black Cap) is for use on oxidized metals. 320ml (10.8oz) bottle
This product cannot be shipped by air, so please do not select Next Day Air, 2-Day Air or 3-Day Select.
Hawaii, Puerto Rico and other overseas Customers: UPS & FedEX will not ship this product to Hawaii, Puerto Rico or other overseas destinations with solder flux.