PENOSIL 444 Butyl Sealant Weatherproof Mastic Grey

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PENOSIL Butyl Sealant 444 is a weatherproof and durable butyl mastic for various exterior sealing works. Specially designed for weatherproofing and sealing exterior joints where a permanent plastic connection is required. Adheres well to most common construction materials such as wood, concrete, metal, PVC and glass.

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SKU
H4569
Roof & Façade

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PENOSIL Butyl Sealant 444 is a durable, weatherproof butyl mastic designed for a wide range of exterior sealing applications. It is ideal for weatherproofing and sealing exterior joints where a long-lasting, flexible bond is essential. This high-performance sealant adheres effectively to a variety of common construction materials, including wood, concrete, metal, PVC, and glass, ensuring reliable protection against the elements. Perfect for projects requiring a permanent plastic connection, it provides excellent resistance to harsh outdoor conditions, making it a trusted solution for exterior sealing work.

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Product NamePENOSIL 444 Butyl Sealant Weatherproof Mastic Grey
Specification
  • Permanently elastic
  • “Self-healing” properties
  • Very low vapour and gas permeability
  • Non-corrosive to metals
  • Can be painted
  • Excellent adhesion on many surfaces
  • UV and weather resistant
  • Practically odourless
Ean4743307165626
ColourGrey
ManufacturerPenosil
Datasheethttps://penosil.com/wp-content/uploads/documentation/444_Penosil_Butyl_Sealant_444_Grey_SDS_en-GB.pdf
Size310
Volume310
Brand ProductPenosil
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PENOSIL

In the cold northern climates of Europe, where PENOSIL was born, people embraced the challenge of harsh winters by developing innovative ways to keep homes warm. Over time, simple shelters evolved into sophisticated methods for maintaining comfort, no matter the weather. It’s no surprise that PENOSIL, with its world-class joint fillers, emerged in such conditions.

From the snowy expanses of Siberia to the heat of Brazil, PENOSIL products thrive across all continents. Centuries of protecting against extreme climates have made us global pioneers in sealing and insulation solutions. Energy efficiency and sustainability are at the core of what we do.

PENOSIL is trusted worldwide—by developers of massive projects and homeowners alike—because we never compromise on quality. Our products are the top choice in over 40 countries with the highest building standards, providing effective, energy-saving solutions for construction and renovation.

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PENOSIL 444 Butyl Sealant Weatherproof Mastic Grey

£2.78