Masterseal HY 35 WHITE ctg 30/cs



MasterSeal HY 35 Data Sheet MasterSeal HY 35 Certification Letter
MasterSeal HY 35 Sell Sheet MasterSeal Color Chart
MasterSeal Sealant Selection  


MasterSeal HY 35 is a one-component, fast curing, gun-grade, elastomeric hybrid sealant. Formulated with unique polymers that allow for versatile adhesion to a variety of substrates providing long-term durability. MasterSeal HY 35 combines the best qualities of organic and silicone sealants to keep moving joints weathertight. 

Product Highlights:

  • Strong adhesion to a variety of substrates resulting in a long term bond
  • Formulated for joint movement of +35%
  • Resists chalking, cracking, and fading to maintain long-lasting weathertight seals
  • Compatible with most elastomeric coatings and can be painted soon after installation
  • Easy to gun and tool
  • Fast curing
  • Wide temperature application range
  • Non-staining formula for use on stone and other sensitive substrates
  • Low emitting material suitable for use in classrooms, health care facilities, private offices, and single-family homes. 


  • Vertical or horizontal
  • Exterior or interior
  • Above Grade
  • For sealing building joints against water and intrusion
  • Storefront systems
  • Expansion joints
  • Panel walls
  • Precast units
  • Aluminum, vinyl, and wood window frames
  • Fascia
  • Parapets
  • Sanitary applications
  • Roofing
  • PVDF Coatings
  • Stucco
  • Aluminum
  • Concrete
  • Masonry
  • Wood
  • Stone
  • Metal
  • Vinyl
  • Fiber cement siding


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