Hardie Sealants Accessories

Hardie Sealants Accessories are purpose-specified sealant products approved for use in James Hardie cladding and lining system installations. Using the correct James Hardie-specified sealants at joints, terminations and penetrations is essential for weathertight performance, system compliance and long-term durability — and is a condition of the James Hardie product warranty.

Overview

• Sealant range specified for use in James Hardie fibre cement cladding and lining installations
• Includes joint sealants, gap fillers and flexible sealants for use at system details
• Compatible with James Hardie fibre cement surfaces and system accessories
• Required at specified locations to maintain weathertight performance and system warranty
• Available in colours to suit painted and unpainted cladding installations

Key Features & Benefits

• Specified by James Hardie for use in their systems — ensures compatibility and warranty compliance
• Provides a durable, flexible seal at panel joints, terminations, corners and penetrations
• Accommodates the thermal movement of fibre cement cladding without cracking or adhesion failure
• Moisture-resistant formulation maintains an effective seal in exterior conditions
• Paintable to match the cladding finish after application and cure
• Correct sealant application is critical to preventing moisture ingress at vulnerable system junctions

Applications

• Sealing panel joints and butt ends in James Hardie cladding systems
• Sealing corners, terminations and penetrations through cladding
• Window and door surround sealing in weatherboard and panel cladding facades
• All locations specified by James Hardie installation guidelines requiring sealant application