The World’s Best Flexible Hangar Strap For Ductwork And Pipes Thermo-Button-Lok™ is the world’s best hanger strap, whether you’re installing ductwork or pipes. These flexible straps provide a perfect, secure support for air ducts, plumbing pipe, and other applications. Whether your HVAC installation job is new, remodeling, or a repair, this low-cost solution supports, straps, and locks air ducts or plumbing pipes securely in place. Button-Lok is also easy to adjust to size, making hanging and support easy and convenient. Each flexible hanger has adjustable button holes at 1-inch intervals. For a standard floor joist, the material locks to a 1-inch roofing nail (button) when pulled down. For an I-joist, the material locks to a #8 sheet metal screw (button) when pulled down. It’s perfect for plumbers, HVAC pros and weekend warriors alike… and is another great way to give your project The Thermo Advantage!
