HE925 - BES Sealant is a premium, moisture cure, medium modulus sealant for construction joints subject to dynamic joint movement. This one-part, low odor, moisture cure product provides excellent weathering resistance, flexibility, very low VOC, through use of a silyl-terminated polyether polymer (STPe). Upon curing, it is paintable with latex based paints. This product is fully compatible with Henry/Bakor air barrier, flashing, roofing and waterproofing membrane components of Henry/Bakor's Building Envelope Systems®. 

Product Features

  • Environmentally friendly due to very low VOC content

  • Medium modulus sealant with excellent weather resistance, flexibility

  • Fully compatible with Henry/Bakor air barrier, flashing, roofing and waterproofing membrane components

  • Termination sealant for self-adhered modified bitumen membranes such as Blueskin

  • External joint sealant for Henry/Bakor air barrier, waterproofing and roofing systems

  • Alternative to silicone and moisture cure urethanes in above construction applications

  • Seal wall and window penetrations

  • Construction joints up to 1" width, subject to dynamic joint movement of +/-25%

Uses

  • As a logical extension of the desired Building Envelope Systems® plane of air/water tightness, HE925BC - BES SEALANT - BLACK was developed as a fully compatible sealant with other BES components. Typical uses include:

  • Termination sealant for self-adhered modified bitumen membranes such as Blueskin® · External joint sealant for Henry/Bakor air barrier, waterproofing and roofing systems

  • Alternative to silicone and moisture cure urethanes in above construction applications · Seal wall and window penetrations

  • Construction joints up to 1" width, subject to dynamic joint movement of +/-35% including:

  • Metal/aluminum/galvanized · Glass

  • Wood

  • Stone

  • Concrete/masonry

  • Stucco

  • Exterior Gypsum Board · EIFS