La-Co Soldering Flux Paste – 60g & 547g | WRAS Approved

Achieve clean, strong and reliable soldered joints with La-Co Soldering Flux Paste. Suitable for professional plumbers, heating engineers and DIY users, this high-quality flux promotes excellent solder flow while helping to clean and prepare copper pipework and fittings before soldering.

WRAS Approved, La-Co Flux is suitable for use on potable water systems, making it the ideal choice for plumbing and heating installations where dependable performance is essential.

Available in two convenient sizes to suit every job:

Simply select your preferred size from the drop-down menu.


Key Features

✔ Genuine La-Co Soldering Flux

✔ Available in 60g and 547g

✔ WRAS Approved Material

✔ Ideal for Copper Pipe & Fittings

✔ Promotes Fast, Clean Solder Flow

✔ Helps Produce Strong, Leak-Free Joints

✔ Suitable for Plumbing & Heating Systems

✔ Easy to Apply

✔ Professional Quality

✔ Ideal for Trade & DIY Use