BOSS WHITE JOINTING COMPOUND 400G

BOSS White General Purpose Threaded Pipe Jointing Compound (400g)

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BOSS White Jointing Compound is the industry-standard, professional-grade sealing paste engineered for securing metallic threaded pipe connections across a wide range of domestic, commercial, and industrial installations. Formulated for everyday trade dependability, this thick, non-hardening compound smoothly fills the microscopic clearances within threads to prevent water leaks and gas tracking. It comes highly recommended for mechanical contractors, heating engineers, and plumbers who require a reliable, non-toxic jointing solution for heating loops, low-pressure steam lines, and gas pipework.

Why Choose BOSS White Jointing Compound?

  • Superior Leak Prevention: Forms a dependable, airtight, and watertight barrier within mating threads, effectively eliminating costly weeps, damp joints, and pressure drops in critical pipework runs.

  • Excellent Multi-Media Capability: This highly adaptable paste handles an extensive variety of service media, making it the go-to choice for natural gas lines, hot or cold water distribution (non-drinking supplies), closed-circuit heating networks, and low-pressure steam loops.

  • Non-Hardening Matrix: Engineered to remain permanently flexible throughout its service life. Because it never hardens, cracks, or shrinks over time, it effectively absorbs physical pipe movement, water hammer vibrations, and intense thermal expansion cycles.

  • Thread Lubrication & Easy Maintenance: Acts as a high-efficiency lubricant during assembly, lowering frictional resistance so fittings can be screwed tight with ease. Additionally, because the compound stays soft inside the joint, it prevents threads from seizing or freezing, allowing for clean, damage-free dismantling during future system modifications.

  • Safe, Non-Toxic Formula: Completely non-toxic and user-friendly, ensuring it is safe to handle on busy commercial and domestic job sites while maintaining excellent on-site workability.

Applications

  • Sealing threaded iron, steel, brass, and copper fittings in commercial and domestic heating pipework

  • Treating joints on radiators, pumps, valves, boiler connections, and manifold systems

  • Sealing joints in natural gas lines and low-pressure industrial steam distribution networks

  • General-purpose trade plumbing maintenance, repairs, and plant installations where hemp or reinforcement fiber is required on larger pipe sizes

Key Features

  • Provides a watertight, airtight seal

  • Suitable for water, natural gas, and low-pressure steam systems

  • Non-toxic and easy to apply

  • 400g tub for excellent coverage

Technical Specifications

  • Brand: BOSS

  • Product Name: BOSS White

  • Product Type: Non-Hardening Threaded Jointing Compound / Sealing Paste

  • Weight Pack Size: 400g Tub

  • Form: Thick Paste

  • Media Suitability: Hot & Cold Water (Non-Potable), Natural Gas, Low-Pressure Steam

  • Substrate Compatibility: Iron, Steel, Brass, Copper, and Galvanized Metallic Threaded Fittings

Buy online today for fast nationwide delivery across Ireland, or select Click & Collect to pick up your technical jointing compounds and plumbing supplies directly from our Limerick showroom.

For smaller products, shipping is €9.99 per order up to €300 and free thereafter. And for larger products, there is a charge of €50.

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