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Old 12-09-2006, 09:39 AM   #1
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insulating main heating trunk/duct


I have just found out that before I build my soffit, I need to insulate my main heating trunk/duct.

Will they explain at HD how I need to do this, or is there any special tips that I should know about? Do I tape it in place or do I just wrap it around the tunk? For my own curiosity: does this make my heating system run more efficient?

Also, I have 6 inch tubes running inbetween the floor joist, and under them there is wiring running. The builder, on some of them, has put loose insulation between the wires and the duct tube, so that they don't touch.

Is this what I should be doing? Or is there something else that I need to do?


Thanks for any information anyone can provide me.

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Old 12-09-2006, 06:10 PM   #2
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insulating main heating trunk/duct


Hi yummy mummy

The only real way to go about what you need to do is to wrap duct wrap around the trunk and runs. The best way to attach it is to staple the seams. If you decide to use foil back duct wrap, after you staple the insulation you can use foil tape and clean up the seams. When you get done its almost a shame to cover it up. As with anything though you know to take your time. The stapler I prefer to use is a Bostich outward clenching stapler. I have one that is almost twenty years old and still works good. If you have any further questions let me know and I will see if I can help.

Good luck
Rusty

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Old 12-09-2006, 09:13 PM   #3
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insulating main heating trunk/duct


Thanks for the information.

I guess I can't get away with not doing it? Correct?
I assume the reason is that it provides a vapor barrier so that it will not ruin my drywall in the future?

I know exactly what you mean when you say that you hate to cover your work up.
I am putting so much work into framing and making sure everything is level, etc. (my favourite tools are the level and my chalk line tool) that I told my husband that I hate to cover this work up.
He told me to just take lots of pictures.
I told him that I am going to blow the pictures up and put them all over the walls when I'm done.

Thanks again for the information.
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Old 12-10-2006, 12:02 PM   #4
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insulating main heating trunk/duct


Hi yummy mummy

When he blows them up, use them for wall paper in your newly finished room. And yes that is all the insulation does, it just creates a thermal break.

Good luck
Rusty
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Old 12-10-2006, 03:03 PM   #5
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insulating main heating trunk/duct


Thanks again,

Here I go to HD again.
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