protecting hvac ducting

[brian dulisse]

soft hvac ducts run below the joists in my basement (see photos attached). i'd like to rig something up to protect them from flying bits and/or being poked when lifting sheet goods or lumber. has anyone done something like this?

[Kent A Bathurst]

Same ducting all around my basement shop. Here's my soution:

http://www.onmelissasmind.com/wp-content/uploads/2009/07/duct-tape.jpg