MasterSeal HY 495 - Hybrid ultra-high performance, façade and structural sealant

What is MasterSeal HY 495?

MasterSeal HY 495 is a high-grade, hybrid silane-terminated polyurethane compound one component moisture curing, low-modulus sealant and adhesive.

What is MasterSeal HY 495 recommended for?

MasterSeal HY 495 is a hybrid sealant specially developed for sealing of all types of external or internal facade joints, for example:

  • Expansion joints
  • Construction joints
  • Joints in precast elements
  • External walling and cladding joints
  • Infill panel joints
  • Curtain walling
  • Window and door frame sealing
  • Bridge and balcony parapets
  • Retaining walls
  • Subways
  • Reservoirs and water retaining structures

Which are MasterSeal HY 495 main benefits?

  • Single component – easy to use
  • Primer free – faster and easier application
  • Odorless – can be used internally
  • Fungal growth resistant – hygienic
  • UV and weather resistant – Long term durability


Brochure: MasterSeal Sealants

pdf (1.34 Mb)

MasterSeal HY 495: Technical Data Sheet

pdf (50.07 Kb)