HS Butyl 2239 is an extruded butyl tape designed for sealing joints, membranes, and ridge tiles. It offers excellent adhesion to multiple substrates and is conformable for easy application. This ready-to-use tape also provides good UV resistance, making it suitable for outdoor and exposed environments.

Product Type: Tape

Application Area: Caisson Rings, Flange Joints, Joints, Membranes

Features: Conformable, Ease Of Use, Excellent Multi-Substrate Adhesion, Flexible, Good UV Resistance

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Product Features
  • Good adhesion to a wide range of substrates.
  • Good UV resistance.
  • The softer composition makes this product highly conformable.
  • Easy and accurate to use with little waste and no mess.
  • High tack.
  • Remains flexible throughout its service life.

Applications & Uses

Markets
Applications
Application Area
Application Instructions

Surface preparation

  • All surfaces should be clean, dry, and free from frost, grease, and loose materials.

  • When cleaning contaminated substrates, HS Butyl recommends using propan-2-ol (IPA) and allowing it to dry before applying the butyl tape.

Application

  • Apply directly from the reel onto one surface and press along its entire length to ensure good initial adhesion.

  • Remove the backing paper, position the other surface onto the butyl tape, and push firmly to seal across the joint.

  • Use a roller with firm pressure to ensure a good bond.

Product Application
  • For use as an air, dust, or water seal for compression joints and seams.
  • For water sealing applications in vehicle construction.
  • For fixing ridge tile flashing/membranes.

Properties

Performance Properties
ValueUnitsTest Method / Conditions
Dynamic Tensile Adhesion18N/cm²H5
Dynamic Shear Adhesion14N/cm²H15
90° Peel Adhesion7N/cmH48
180° Peel Adhesion11N/cmH41
Moisture Vapour Transmission Rate0.24g/m²/24hr/mmISO 9932 / BS ISO 15106
Service Temperature Range-40 to +90°C-
Application Properties
ValueUnitsTest Method / Conditions
Application Temperature Range5 - 40°C-
Product Tolerance

Rectangular sections:

  • Thickness: ±10%

Width:

  • Up to 25mm: ±1mm
  • 26mm to 100mm: ±2mm

Bead sections:

  • Thickness: ±10%
  • Width: ±10%

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Information

HS Butyl 2239 is normally supplied as an extruded strip on a siliconised release paper. A wide range of dimensions can be supplied. Product dimensions determine the number of rolls per carton.

Storage & Handling

Shelf Life
24 months
Storage Condition

24 months when stored flat in original packaging in cool, dry conditions.