Thickened Fiberglass Cloth Aluminum Foil Tape | High Temp

Upgrade your insulation, sealing, and repair projects with this Thickened Fiberglass Cloth Aluminum Foil Tape. Engineered for high-temperature environments, this heavy-duty tape combines a woven fiberglass cloth backing with a reflective aluminum foil surface to deliver exceptional durability, heat resistance, and a secure, long-lasting bond on virtually any surface.

Whether you're sealing HVAC ducts, wrapping pipes, reinforcing insulation, or tackling demanding DIY repairs, this tape is built to handle the heat — literally. Available in 5 width options to suit a variety of project sizes and applications.

Key Features

• High-Temperature Resistant: Withstands extreme heat, making it ideal for HVAC systems, furnace ducts, exhaust wraps, and industrial repairs.
• Thickened Fiberglass Cloth Backing: Adds extra reinforcement and tear resistance for demanding applications.
• Reflective Aluminum Foil Surface: Reflects radiant heat and provides a moisture-resistant, weatherproof seal.
• Waterproof & Weather-Resistant: Designed to shrug off moisture, splashes, and outdoor exposure — stays bonded in tough conditions.
• UV & Sun Protection: The foil surface helps guard against UV degradation, extending the life of wrapped surfaces.
• Strong Adhesive Bond: Pressure-sensitive adhesive grips firmly to metal, glass, wood, plastic, and more.
• 5 Width Options: Choose the size that matches your project — from precise detail work to broad surface sealing.
• Easy to Apply: Tear by hand or cut cleanly with scissors — no special tools required.

Common Applications

• HVAC duct sealing and insulation wrapping
• Pipe insulation and plumbing repairs
• Automotive heat shielding and exhaust wrapping
• Fireplace surround and furnace duct repair
• Industrial sealing and surface protection
• DIY home improvement and repair projects

For guidance on safe use of insulation materials and tapes in HVAC systems, visit the U.S. Department of Energy – Air Sealing Your Home.

Frequently Asked Questions

Q: What is fiberglass cloth aluminum foil tape used for?

A: Fiberglass cloth aluminum foil tape is commonly used for sealing and insulating HVAC ducts, wrapping pipe insulation, heat shielding in automotive applications, and reinforcing surfaces that are exposed to high temperatures, moisture, or UV light. Its combined fiberglass and foil construction provides both structural reinforcement and a reflective, weatherproof barrier.

Q: How high of a temperature can this tape withstand?

A: This thickened fiberglass cloth aluminum foil tape is engineered for high-temperature resistance, making it suitable for use around furnaces, HVAC systems, exhaust components, and other heat-generating equipment. For precise maximum temperature ratings for your specific application, refer to the product packaging or consult the specifications for your project.

Q: What widths are available for this aluminum foil tape?

A: This tape is available in 5 different width options, allowing you to choose the most suitable size for your project — from narrow widths ideal for detail sealing to wider options for covering larger surface areas quickly and efficiently.

Q: Is this tape waterproof and suitable for outdoor use?

A: Yes. The reflective aluminum foil surface and strong pressure-sensitive adhesive are designed to resist moisture, splashes, and outdoor weather conditions. The foil surface also provides UV protection, helping to prevent degradation when used in sun-exposed areas.