Install duct wrap

The technique we see used most commonly is the Butt Joint on the first layer and Telescoping overlap on the second layer. This blog post will show you how to properly install 3M Fire Barrier Duct Wrap with all four approved methods.

With the Butt-Joint Inner Layer and Telescoping Outer Layer technique, the inner layer of blankets abut the adjacent pieces of blanket. The outer layer blankets each overlap one adjacent blanket, and then the exposed edge is covered by the next blanket as shown in Figure 2A. Start saving documents for quick referenc or log in to view previous folders.

It's time to start building. When specifying HVAC insulation, your goal is to reduce heat transfer. Fiberglass duct wrap insulation can help you accomplish this in a properly designed and installed system.

It can improve thermal performance and help control condensation in commercial and residential HVAC systems.

In addition, duct wrap insulation is lightweight and easy to install. Pipe Insulation. Pipe and Tank. Blown-in Insulation. Elevated Temperature. Air Sealant. Duct Board. Basement Wall. Duct Wrap. Metal Building Insulation. Duct Liners. Wall and Ceiling Liner. How to Choose the Right Insulation.

The smart choice to make spaces more comfortable and energy efficient. The ability to resist heat flow — insulation's thermal resistance. Ability to provide thermal resistance for comfort and efficiency. Sound absorption characteristics, helping reduce noise transmission. High Temperature Equipment. Roof Deck Insulation. She holds a Bachelor of Arts in urban and regional studies.

By Angela Ryczkowski. Related Articles. Follow any instructions for duct wrap insulation provided by the insulation manufacturer to achieve the most effective results. Always wear a dust mask, gloves and clothing that covers your arms and legs when cutting and handling fiberglass insulation.

Any duct wrap insulation installed around air conditioning ducts must have a reflective vapor barrier attached or installed with it to prevent problematic condensation.