The DuraVent DuraPlus 8" Wall Strap is a durable triple-wall chimney system support accessory designed to stabilize vertical and offset runs in wood stove, fireplace, and all-fuel chimney installations. Engineered with advanced ceramic blanket insulation and air-space technology, the DuraPlus system helps maintain a cooler exterior while ensuring a strong, efficient draft. This chimney wall strap reduces movement, enhances alignment, and improves overall chimney fire safety, protecting both the structure and surrounding combustible materials in residential heating applications.

Built for continuous operation at flue gas temperatures up to 1000°F, the DuraPlus 8" Wall Strap meets stringent UL 103HT safety standards, including one hour at 1400°F and three 2100°F chimney fire tests. Its heavy-duty construction ensures long-term stability, code-compliant installation, and reliable performance for modern all-fuel chimney venting systems.

Features

• Essential Chimney Support Accessory: Designed for DuraVent DuraPlus 8" triple-wall chimney systems, this wall strap provides secure stabilization for wood stove, fireplace, and all-fuel chimney installations in residential and light commercial applications.
• Interior & Exterior Installation Use: Suitable for both interior and exterior chimney venting system installations, ensuring consistent support and alignment throughout the chimney run.
• Maintains Safe 2-Inch Clearance: Helps ensure proper 2" clearance to combustibles, improving overall chimney fire safety and code-compliant installation performance.
• Required Exterior Spacing: Wall straps are required every 4 feet on exterior chimney installations only, ensuring proper structural support and long-term stability.
• Improves Chimney Stability: Reduces movement and vibration while maintaining vertical alignment for efficient chimney draft performance.
• Durable All-Fuel System Compatibility: Built for use in modern all-fuel chimney systems, ensuring long-lasting reliability and secure support under high-temperature conditions.

Specification