J-B Weld Original Cold-Weld™ Epoxy – High Strength Multi-Surface Repair Adhesive

J-B Weld Original Cold-Weld™ Epoxy is a high-strength two-part epoxy adhesive designed to create strong, permanent repairs on metal, plastic, PVC, wood, fibreglass, ceramics and other compatible surfaces. With an impressive 5,020 PSI bonding strength, the Original Cold-Weld™ formula is a trusted choice for demanding automotive, household, plumbing, marine, workshop and DIY repairs.

Well known for its use in the automotive industry, J-B Weld Original Cold-Weld™ creates a hard, durable bond without the need for traditional welding. It is particularly useful for repairing metal components, automotive parts, plumbing components, fibreglass and a wide variety of household items.

The epoxy cures consistently without shrinking or foaming, helping create a solid and dependable repair. Once fully cured, the hardened epoxy can be sanded, drilled or tapped, allowing the repaired area to be shaped, finished or worked as required.

J-B Weld Original Cold-Weld™ is resistant to water, chemicals and heat once cured, making it suitable for repairs exposed to demanding conditions.

In addition to metal, plastic, PVC, wood, fibreglass and ceramics, Original Cold-Weld™ is useful for a variety of repair projects involving brick and concrete, providing a versatile adhesive solution for the home, garage, workshop and beyond.

The epoxy has a set time of approximately 4–6 hours and reaches full cure in approximately 15–24 hours. Once completely cured, it forms a strong dark grey finish.

For anyone searching for a high-strength metal epoxy, automotive repair adhesive, multi-surface epoxy or permanent Cold-Weld™ repair compound, J-B Weld Original provides an exceptionally strong 5,020 PSI repair solution.

Key Benefits

• Original J-B Weld Cold-Weld™ formula

• High-strength two-part epoxy adhesive

• Exceptional 5,020 PSI bonding strength

• Creates strong and lasting repairs

• Excellent for metal repairs

• Suitable for compatible plastics

• Bonds PVC

• Suitable for wood

• Bonds fibreglass

• Suitable for ceramics

• Useful on brick and concrete

• Ideal for automotive applications

• Suitable for household repairs

• Useful for plumbing repairs

• Suitable for marine applications

• Ideal for workshop and DIY projects

• Useful for craft and restoration work

• Cures consistently

• No shrinkage during curing

• No foaming during curing

• Resistant to water

• Chemical resistant

• Heat resistant

• Can be sanded after curing

• Can be drilled

• Can be tapped

• Cures to a dark grey finish

How to Use

• Ensure both surfaces are clean and free from grease, oil, dirt, paint, rust and loose material that could interfere with adhesion.

• Roughen smooth surfaces where appropriate to provide a better mechanical key for the epoxy.

• Prepare the two epoxy components according to the manufacturer's instructions.

• Mix the components thoroughly until a consistent mixture is achieved.

• Apply the mixed J-B Weld Original Cold-Weld™ to the repair or bonding area.

• Bring the components together and position them correctly.

• Secure or support the parts where necessary while the epoxy sets.

• Allow approximately 4–6 hours for the initial set.

• Allow approximately 15–24 hours for full cure before subjecting the repair to normal service conditions.

• Once fully cured, the epoxy can be sanded, drilled or tapped as required.

• Always follow the manufacturer's application and safety instructions supplied with the product.

Suitable Materials & Applications

• Metal

• Compatible plastics

• PVC

• Wood

• Fibreglass

• Ceramics

• Brick

• Concrete

• Automotive components

• Household repairs

• Plumbing repairs

• Marine applications

• Workshop repairs

• DIY projects

• Craft projects

• Multi-material bonding

• Permanent repair applications

Product Information

Brand: J-B Weld
Product: Original Cold-Weld™ Epoxy
Type: Two-part high-strength epoxy adhesive
Bonding Strength: 5,020 PSI
Set Time: Approximately 4–6 hours
Cure Time: Approximately 15–24 hours
Colour When Dry: Dark Grey
No Shrinkage: Yes
No Foaming: Yes
Water Resistant: Yes
Chemical Resistant: Yes
Heat Resistant: Yes
Suitable Materials: Metal, compatible plastic, PVC, wood, fibreglass, ceramics & other suitable surfaces
Other Applications: Brick & concrete
After Curing: Can be sanded, drilled & tapped
Primary Use: High-strength permanent bonding and repair

Data Sheets:
Data Sheet
Data Sheet
Data Sheet

WEEE Recycling Producer Registration Number:12889

How do I return my old product to be recycled?

You can return your old product to MyDIY. Waste Electrical and Electronic Equipment (WEEE) is taken back free of charge on a one-for-one, like-for-like basis. Waste batteries including rechargeable batteries are taken back free of charge. You are not obliged to make any purchase when returning old batteries. Each local authority must also accept household WEEE and small batteries free of charge at its recycling facilities. All WEEE and waste batteries must be recycled and should not be placed in any of your household wheelie bins. Make sure you always recycle all your old electrical goods and batteries.

What products can I recycle for free?

You can return anything that is electricaly powered or battery powered. Even your old bicycle lamps can be recycled!.

Do you take back used batteries?

Yes we do. The batteries that we accept are AA, AAA, C or D, powertool batterys and also the flat batteries that are found in watches and toys. Unfortunately we do not accept back any Industrial or car batteries.

Do I need to have made a purchase at MyDIY.ie?

No you don't. You can recycle any of the above items at our store in Inchicore Dublin 8, even if you have not made a purchase with us.

Will you collect my old product?

Yes, but we must be notafied within 14 days of purchase date. You can still arrange to have your old appliance recycled free of charge. Simply bring it back to our Inchicore store and we will ensure that it is disposed of in an environmentally friendly manner.

How much will it cost?

There is no charge to return products to any of our warehouses.

Why should I recycle with MyDIY?

We will ensure that your old product is disposed of correctly to reduce the potentially harmful effects caused on the environment and to conserve natural resources. Further information can be found on weeeireland.ie.

EMC (Environmental Management Cost) Included in the purchase price. 

Gas discharge lamps, LFLs and CFLs €0.15

LED lamps and luminaires €0.05

Large appliances €5.00

Information

Fast & Reliable Shipping with DPD

We ship all orders via DPD, one of Ireland’s most trusted couriers. With DPD’s one-hour delivery window, you won’t have to wait around all day for your MyDIY.ie order!

Delivery Times

Each product on our website is marked with an estimated delivery time. If you order multiple items, your order will arrive based on the item with the longest delivery time. For example, if you buy two next-day items and one 3-day item, the entire order will arrive in 3 days.

While most products arrive in 1-2 days, we offer over 44,000 items, so please allow 4-5 working days for some deliveries. Need it faster? Call us at 01-446692, and we'll do our best to help.

Delivery Charges

• FREE delivery for orders over €150 within Ireland.

• Orders under €150: €8.99 delivery fee.

• International delivery: Charges based on weight—contact us for a quote.

When Will I Receive My Order?

• Most orders ship on a 24-hour courier service (2 working days).

• Larger orders may take 4-5 days, and pallet deliveries require scheduling.

• Orders placed before 2 PM usually ship within 24 hours.

• Orders after 1:30 PM Friday or on weekends ship the following week.

• Busy holiday periods may cause slight delays beyond our control.

Do I Need to Be Home for Delivery?

Yes, someone must sign for deliveries due to item value. If you're not home, DPD will leave a card with re-delivery or collection instructions. After two failed attempts, your order may be returned to us, and a re-delivery fee may apply.

Damaged or Incomplete Orders

We carefully pack all orders, but if something arrives damaged or incomplete, contact us within 24 hours. Report shortages within 3 days of delivery.

International Shipping

We ship to Europe and worldwide, with charges based on weight. Liquid products cannot be shipped internationally due to regulations. Contact us for a quote—we're happy to help!

Customer Service & Returns