Seal N Flex 1 Polyurethane Sealant

High-performance polyurethane sealant for durable construction joints

Professional polyurethane sealant designed for tough, flexible and long-lasting joint sealing.

Seal ’N Flex 1 Polyurethane Sealant is a high-performance, moisture-curing sealant formulated for demanding construction, trade and industrial sealing applications. It delivers excellent adhesion to a wide range of substrates including concrete, masonry, metal, timber, painted surfaces and many plastics. Once cured, Seal ’N Flex 1 forms a durable yet flexible seal that accommodates joint movement, vibration and thermal expansion without cracking or losing adhesion. Key benefits include strong mechanical properties, outstanding weather resistance and long-term durability in both internal and external environments. Compared to acrylic or silicone sealants, polyurethane sealants like Seal ’N Flex 1 provide superior toughness and adhesion on construction substrates. It is widely used in building joints, expansion joints, façade sealing and general construction maintenance where reliable, professional sealing performance is essential. 

Features & Benefits

Key Features

• Polyurethane-based sealant
• Moisture curing formulation
• Excellent adhesion to construction substrates
• High flexibility and movement capability
• Suitable for interior and exterior use
  
  

Key Benefits

• Provides durable, long-lasting seals
• Accommodates joint movement and vibration
• Resists weathering and ageing
• Reduces risk of joint failure
• Professional-grade construction performance
  
  

Technical Specs

• Product Type: Polyurethane Sealant
• Product Name: Seal ’N Flex 1
• Product Code: 21205054
• Cure Type: Moisture curing
• Application: Joint sealing
• Substrate Compatibility: Concrete, masonry, metals, timber
• Grade: Construction / Trade
  
  

Key Applications

• Construction and expansion joints
• Concrete and masonry sealing
• Façade and building envelope joints
• General construction and maintenance work