Soudal Butyrub – NON-SETTING MASTIC


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 Soudal Butyrub – NON-SETTING MASTIC - Sealant Supplies Ltd
  • Area of use: Internal and external
  • Volume: 300ml
  • Brand: Soudal
  • Manufactuer: Soudal
Data Sheets

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Butyrub Polybutene Sealant is a premium, one-component, permanently plastic sealant that delivers a watertight and flexible skin once applied. Designed for ease of use, it adheres exceptionally well to many porous construction materials and is ideal for joints with limited movement. This UV- and weather-resistant formula ensures long-term durability across a variety of building and renovation applications, both indoors and outdoors. Butyrub remains paintable after 24 hours and is resistant to a wide range of chemicals, making it a reliable choice for general sealing needs in construction, roofing, and glazing.

Key Benefits:

  • Creates a flexible, watertight seal that is weather- and UV-resistant

  • Easy to apply and paintable after curing

  • Excellent adhesion on wood, concrete, metal, and more

  • Ideal for small movement joints, roof repairs, and single glazing installations

For more sealants, please click here. For our full range of Soudal products, please click here.

For more information, please visit the Soudal website.

  • Sealing joints in masonry, door and window frames, and windowsills

  • Installing single glass in wooden, concrete, or steel window frames (e.g., greenhouses)

  • Repairing and sealing roofs and gutters

  • Sealing construction joints in coachwork and container builds

  • Filling openings in roof structures to prevent leaks and drafts

Applications of Butyrub Polybutene Sealant:

  • Ideal for joints with limited movement (maximum 5%)

  • Suitable for sealing window and door frames, windowsills, and masonry joints

  • Used in glazing applications for single-pane glass in wooden, concrete, or metal frames

  • Effective for sealing joints in roofs, gutters, coachwork, and container constructions

Limitations:

  • Not suitable for continuous water immersion

  • Should not be used on natural stone (e.g., marble, granite) due to risk of staining

  • Not recommended for insulating or safety glass applications

  • Does not adhere to PE, PP, PTFE (Teflon®), or bituminous surfaces without special preparation

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Elementlength
up to
1,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm
Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded)
15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright)
10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark)
10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10

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