• Stops Leaks in Radiators & Hoses
• Suitable for All Cars
• Simply Pour and Fix
• Prevents Future Leak
• Avoid Costly Repairs 

Steam from your radiator doesn’t have to ruin your day or cost a fortune to repair. Radweld is a radiator cooling system leak repair – and the advanced formula will target leaks in your radiator, sealing them permanently.

Radweld is suitable for all cars and mixes with all coolant/antifreeze. You don’t need any special preparation to use Radweld, there’s no need to drain or flush the cooling system. Simply pour and fix, it couldn’t be easier. Radweld then works its way through the system to target radiator leaks, without damaging or clogging the system.

Radweld also prevents future leaks, to help keep your car on the road for longer. Holts develop products for you right here in the UK, based on the ever changing needs of the car market, so they’re easy to use and can help you to avoid costly repairs.