Bostik Plumbers Mait - 750G

The Bostik Plumbers Mait is a versatile, high-quality sealing compound specifically designed for v...

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Product Information

Full details

Bostik Plumbers Mait is a professional-grade sealing compound designed for both trade professionals and DIY enthusiasts looking for a reliable, non-setting solution for plumbing joints and fixtures. Its primary benefit is the creation of a durable, watertight seal that remains flexible over time, though users should note that it is intended for mechanical sealing applications rather than as a structural adhesive for high-pressure piping systems.

All features

Model Part Number50035621
BrandEvo-stick

Extended Product Information

FAQs

Can I use Plumbers Mait on high-pressure water pipes?

No, this product is designed for low-pressure mechanical sealing and is not suitable for pressurized main supply lines.

Does this product set hard like epoxy?

No, it is a non-setting compound that remains permanently flexible to accommodate joint movement.

Is it safe to use on plastic PVC pipes?

Yes, it is compatible with most standard plumbing materials, including PVC, metal, and ceramic.

How long does a 750g tub last?

The shelf life is significant when stored properly with the lid sealed, and the large size is sufficient for dozens of standard household plumbing tasks.

Can it be painted over?

It is not designed to be painted, as it is intended for use within joints and hidden plumbing assemblies.

Troubleshooting

Seal is leaking after installation

Ensure the fitting was properly tightened and the compound was applied in a continuous, unbroken bead around the flange.

Compound is difficult to remove from hands

Use a dry cloth or paper towel to wipe away the majority of the residue, then wash with warm water and hand soap.

Product seems too stiff in cold weather

Warm the container slightly in your hands or keep it in a room-temperature environment before use to restore its pliability.

Pros and Cons

Pros

  • Does not harden or crack over time
  • Highly water-resistant and durable
  • Ideal for sealing sink wastes and overflows
  • Easy to clean up and remove if necessary
  • Suitable for both amateur and professional use

Cons

  • Not intended for use on high-pressure water mains
  • Not suitable for structural load-bearing applications
  • Can be sticky to handle if not used carefully
  • Should not be used as a permanent adhesive for rigid joints

Setup, Compatibility & Care

To ensure the best performance, surfaces must be clean, dry, and free from oil or grease before application. Roll the compound into a thin rope or use a putty knife to spread it evenly around the area to be sealed. Once the joint is tightened, wipe away any excess material with a clean cloth. The product remains effective on materials like chrome, plastic, and enamel. For long-term care, keep the container lid tightly sealed to prevent the compound from accumulating dust or drying out in storage. Store in a cool, dry place away from direct sunlight.

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