Description
PRODUCT DESCRIPTION
JOINTFLEX Backer Rod is a closed-cell polyethylene foam filler used as a backing material for sealants in construction and expansion joints. It prevents three-sided adhesion, controls the depth of the sealant, and ensures proper joint design for maximum performance.
Made from high-quality polyethylene, JOINTFLEX Backer Rod is lightweight, non-absorbent, flexible, and compatible with all major sealant types including polyurethane, polysulphide, and silicone.
CORKJOINT Jointflex Backer Rods are manufactured from closed cellpolyethylene, are non-absorbing, are U.V resistant and have excellent weatherability properties.
Features:
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Closed-cell, non-absorbent structure
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Excellent flexibility and easy installation
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Compatible with all common sealants
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Chemical and weather resistance
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Reduces sealant wastage
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Ideal for horizontal and vertical joints
Applications:
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Expansion and construction joints in concrete
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Roads, bridges, and runways
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Precast concrete panels
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Building facades and glazing joints
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Water-retaining structures
ADVANTAGES
Non-absorbent
Excellent weatherability
No bitumen contents
Acts as a bond breaker
Lightweight
Resistant to ultraviolet light
Ability to compress and recover
Suitable for submerged or trafficable joints.
AVAILABLE SIZES
Jointflex Backer Rod are available in roll lengths for round shapes and available in lengths of 1 metre, 1.5
metre and 2 metre for square sections. Standard diameter sizes are 6mm up to 80mm. Section sizes are as
follows: 10mm x 10mm, 15mm x 15mm, 20mm x 20mm and 25mm x 25mm. Custom diameter and section
sizes can be easily manufactured to suit.


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