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Old 01-03-2013, 07:04 PM   #1
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Soffit Building Question

I have a question regarding building a large soffit to enclose an I-Beam, ductwork, gas line, water line, etc in a basement finishing project.

The soffit size is roughly 15' L x 7' W x 1.5' H. The floor joists above are engineered or I-Beam style.

My current plans are to build a frame with 2x4's then finish with drywall.

My questions are:
  • How can I safely attach to the floor joists?
  • Is using 2x4's a good plan?
  • Any other advice on how to build the soffit or tie into the walls on either side?
Here are a few photos showing the space to be enclosed:
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Soffit Building Question-dsc00897_resize.jpg   Soffit Building Question-dsc00901_resize.jpg  


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Old 01-04-2013, 10:46 AM   #2
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Hmmm....I would have thought this would have been jumped on by now. Everyone must be asleep.

1. Nails or screws if using lumber. I prefer screws when using steel.

2. Not my choice. I much prefer steel. Lighter and faster IMPHO.

3. Build perimeter walls first then build your sofits to meet them. Typically build a ladder type sofit wall on each side the connect the two with your material of choice. I use steel wall track, steel studs and then hat track to connect. Some like to use 1\2" plywood and actually build a box around them. Never tried that way.
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Old 01-04-2013, 08:26 PM   #3
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Is that a union at the end of your gas line, may want to check with your local AHJ on enclosing that, need a permit anyway for insurance liability and electrical anyway.

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17,000 dryer fires a year, when did you last clean the inside of the dryer near motor or the exhaust ducting?
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