How do you use duct hanger straps?

Installation Tip — Simply pull the desired length of hanger strap out of the cardboard box and cut using sheet metal snips. Nail or screw one end to your roof structure. Raise duct to desired height and bring other end of the hanger strap and attach it also to your roof structure.

How do you support a rectangular duct?

Supports for rectangular ducts shall be installed on two opposite sides of each duct and shall be riveted, bolted, or metal screwed to each side of the duct at intervals specified.

How much weight can hanger straps hold?

Hanger strap may be looped or double wrapped around piping and may be installed on same side or opposite sides of floor joists or studs. Maximum Load: 100 lbs. Tensile Strength: 24 gauge: 750 lbs.

What are hanger straps used for?

Oatey® Plastic Hanger Straps are a fast, economical way to hang piping of all types. Plastic Hanger Strap can be used as a pipe hanger, conduit and duct hanger, tubing strap, utility strap and more. Oatey products have earned the trust of plumbing professionals for over 100 years.

How do you secure ductwork in an attic?

Ducts Buried in Attic Insulation

  1. Install ductwork so that it is in direct contact with (i.e., laying on) the ceiling and/or truss lower cords.
  2. Use metal, flex, or fiber board ducts that are insulated to code.
  3. Mechanically fasten and mastic-seal all duct connections.
  4. Test total duct leakage.

What is FlexFix tape used for?

FlexFix™ UL181B-FX Film Tape is a tough, contractor grade closure system for Class 1 flexible air ducts and connectors, sealing reflective and bubble insulation and suitable for metal to metal connections in HVAC and refrigeration applications.

How far apart should hangers for metal duct be placed?

Its best to use hanger spacing of 8′ or 10′ to maximize the span between hangers and reduce the amount of time for installing hangers. As ducts get larger or spacing between hangers increases they will require a heavier gauge hanger or a thicker hanger rod.