🔥 Fireplace Insert Insulation Strip – 10′ x 1-1/2″ Fiberglass

Create a smoke- and gas-tight seal between your insert and masonry.

This high-quality fiberglass insulation strip is designed to form a tight, protective seal between a fireplace insert and the surrounding masonry, helping prevent smoke and gas from escaping into the room.

🛠️ Product Features:

• Measures 10 feet long x 1-1/2 inches wide
• Forms a smoke- and gas-tight seal for safer, more efficient operation
• Ideal for use with woodstove inserts, gas inserts, and fireplace appliances
• Replace insulation every time the insert is removed for cleaning
• Compatible with most standard fireplace inserts
• Available in black fiberglass—durable and heat-resistant

Easy to install and essential for maintaining proper fireplace performance and safety

View the MSDS Sheet