Backer Rod Supplier
Product Overview
Gunjan Fittings is a leading Backer Rod supplier across Kolkata, West Bengal, Odisha, Bihar, Jharkhand, Chhattisgarh, and Assam, providing high-quality sealing solutions for construction and glazing applications. Our Backer Rods are designed for joint filling, gap backing, and sealant support, ensuring durable and professional finishes for windows, doors, and expansion joints.
Introduction to Our Product – Backer Rods
Gunjan Fittings supplies high-density, durable, and weather-resistant backer rods suitable for aluminium, uPVC, glass, and concrete applications. Backer Rods are flexible foam rods used as a backing material for sealants in joints and gaps. They help to:
- control sealant depth
- provide uniform support
- prevent three-sided adhesion
- improve weatherproofing and thermal efficiency
Technical Chart – General Specification Details
| Parameter | Specification Range |
| Material | Polyethylene Foam, Polyurethane Foam, PVC Foam |
| Diameter | 4 mm – 50 mm |
| Density | 25 – 100 kg/m³ |
| Color Options | Black, Grey, White |
| Length | 5 m – 50 m per roll / coil |
| Temperature Range | -40°C to 80°C |
| Application | Window & Door Joints, Expansion Joints, Glazing, Construction Gaps |
Key Features of Our Backer Rods
- High-quality closed-cell or open-cell foam
- Flexible, compressible, and resilient
- Resistant to moisture, UV, and chemicals
- Easy to cut and install
- Provides uniform support for sealants
- Enhances sealant life and performance
- Available in multiple diameters for different gap sizes
- Compatible with silicone, polyurethane, and acrylic sealants
Types of Backer Rods – Available Models
Gunjan Fittings offers a variety of backer rods for different applications:
- Closed-Cell Foam Backer Rods
- Open-Cell Foam Backer Rods
- High-Density Backer Rods for Heavy-Duty Joints
- Pre-Compressed Backer Rods for Windows & Doors
- Round and Oval Backer Rods for Custom Applications
Bulk supply and custom sizes are available for industrial and construction projects.
Performance Advantages
- Ensures even sealant depth and smooth joint finish
- Provides excellent support and flexibility for different gaps
- Improves thermal insulation and waterproofing
- Easy to install with minimal effort
- Reduces sealant consumption and material wastage
- Long-lasting performance under weather and load conditions
Best Suited Applications
Our backer rods are widely used in:
- Aluminium and uPVC window and door installations
- Glazing and glass panel joints
- Expansion joints in floors, walls, and ceilings
- Commercial and residential construction projects
- Concrete and masonry joint sealing
- Industrial fabrication requiring precision gap filling
Why Customers Prefer Gunjan Fittings for Backer Rods
- Premium-quality and durable products
- Variety of sizes and densities for different applications
- Bulk availability for ongoing construction projects
- Competitive pricing for fabricators, contractors, and dealers
- Fast delivery across multiple states
- Expert technical support for product selection and installation
