• Required for safe installation of vertical flues
• Fits straight flue runs in SL1100 chimney systems
• Maintains proper clearance to combustibles
• Galvanized steel construction for long-term durability
• UL/ULC approved for high-temp venting

The Majestic Flat Firestop Spacer for SL1100 Series systems is a must-have for safe and code-compliant vertical vent installations. This spacer ensures proper clearance between your chimney pipe and combustible materials in ceilings or attics. It’s made from durable galvanized steel and built to handle the heat. If you’re running a straight flue, this piece is non-negotiable.