Free shipping for orders over £100. See shipping policy for restrictions
Shipping
Free delivery for orders over £100 within UK mainland. This does not apply to large products (such as those above 1m of length), heavy products (including aggregates, compost and wood logs) and fragile products (such as ceramics, shower enclosures etc.). See shipping policy for restrictions.
Free local delivery above £50 and £5 charge for delivery under £50 within a 3 mile radius and £7 up to 6 mile radius.
Standard Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
Lighter items (under 1kg) - £4 and free for orders over £100
Smaller items (1 - 10kg) - £7 and free for orders over £100
Larger items (10kg - 30kg) - £15 and free for orders over £350
Bulky items (30kg and above) - £35 with minimum order value of £100
Express Shipping - United Kingdom (UK Mainland Excluding Northern Ireland)
Lighter items (under 1kg) - £7 and free for orders over £100
Smaller items (1 - 10kg) - £10 and free for orders over £100
Larger items (10kg - 30kg) - £20 and free for orders over £350
Standard Shipping (Northern Ireland and Scottish Islands & Highlands) 2 to 7 business days
Lighter items (under 1kg) - £7
Smaller items (1 - 10kg) - £15
Larger items (10kg - 30kg) - £25
Bulky items (30kg and above) - £35 with minimum order value of £100
Holts Radweld is a fast-acting radiator leak repair solution that permanently seals leaks in radiators, hoses, and heater cores. It is compatible with all types of coolant and does not require draining or flushing after use.
Boxed Weight • 260g
Key Features • Permanently Seals Radiator Leaks – Effectively repairs small holes and cracks. • Works with Anti-Freeze – Unaffected by existing coolants or anti-freeze. • Contains Rust Inhibitors – Helps prevent corrosion and extend radiator life. • Safe for Rubber Hoses & Metal Components – Won't cause clogging or damage. • Easy to Use – Simply pour directly into the coolant system without draining.
Frequently Asked Questions (FAQ) Q: Will Radweld block my cooling system? A: No, it is formulated to only seal leaks without clogging pipes or heater cores.
Q: Can I use this with any coolant? A: Yes, Radweld is compatible with all types of coolant and anti-freeze.
Q: How long does it take to work? A: Radweld begins sealing leaks immediately and fully repairs them as the engine runs.
Warranty Information For warranty details, please check the packaging or contact the manufacturer.
Fix radiator leaks quickly and effectively with Holts Radweld – the trusted solution for cooling system repairs!
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