​MasterSeal HY 495

Ultra-high performance, façade and structural sealant ​

Description:

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

Typical Uses: 

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

• 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. 

Advantages:

• Free from isocyanates and silicones. 
• Excellent adhesion to most building substrates. 
• Highly resistance to ageing and weathering. 
• Strong, permanently elastic, durable seal. 
• Excellent adhesion, without primer to most surfaces. 
  
• Odorless, UV, water, and fungal growth resistant.