How do you offset ductwork?
Quote from the video:
Quote from Youtube video: So what we do take our offset which is four and a half inches. Times our width which is eight divided by our total length which is twenty and that gives us one point eight inches.
How do you taper ductwork?
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Quote from Youtube video: And depending on how hard I crimp it and how far apart they are it will burn it in more I only need to come in about a sixteenth of an inch to get this Belarus your over the paper.
How do you cut into existing round ductwork?
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Quote from Youtube video: But if it's the only thing you have you can use a sawzall blade. It's just going to be a very fine tooth. And you can cut it with a sawzall.
How do you make exposed ductwork look good?
If you don’t want to go through the hassle of covering up your exposed pipes and ducts, but you also don’t want them to draw too much attention, simply paint them the same color as the ceiling or walls that surround them. Painted in a unifying hue, they will blend in and become part of a cohesive background palette.
How do you make a 90 degree angle with duct board?
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Quote from Youtube video: And you pivot until you get to 22 and a half degrees and you want it to be flush with the line out here okay so that's pretty much 22 and a half degrees all right so you can easily mark.
How do I get an ogee offset?
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Quote from Youtube video: To lay out this simple ob offset first draw a horizontal line. And then construct a perpendicular. Line then measure and mark the length four inches draw a horizontal. Line measure the opening.
Can I reduce the size of my ductwork?
If the ductwork is in the way, you have three options. You can reroute it or split it into more but smaller ducts. But the least disruptive and easiest way is to replace the low ducts with new ducts that are flatter but wider. In most cases, you can gain several inches of headroom.
What happens when you reduce duct size?
The key takeaway here is that air moves from a larger to a smaller duct, the velocity increases. When it moves from a smaller to a larger duct, the velocity decreases. In both cases, the flow rate — the amount of air moving through the duct, in cubic feet per minute — stays the same.
What is duct offset?
Ductwork offsets are a regular part of a ductwork sytem. They are often used to avoid obstacles, either structural, such as beams, columns etc. or to avoid other mechanical services such as pipework or electrical installations.
Does exposed ductwork need to be insulated?
The ducts are exposed to the same cold, heat and humidity that exist on the outside. Insulating them is essential in colder climates, optional in milder ones and necessary in humid climates to prevent condensation.
Is exposed ductwork cheaper?
Installation. A good exposed duct installation should cost a little more than one that will never be seen above a ceiling. It doesn’t have to cost a lot more, but all of those special design features, shipping strategies and backup plans cost money.
Can you drywall over ductwork?
Drywall shouldn’t touch ductwork. You’ll need to leave a six-inch (15.24 cm) gap between the ductwork and the wall or encase the ductwork in insulation. If your drywall does touch the ductwork, this could make your walls warm. You’ll need to replace the drywall if your ductwork touches it.
What is a Kerfing tool?
Kerfing tools are designed for hand fabrication of fiberglass duct board to make HVAC ducts out of fiberglass insulation. Kerfing tools contain sharp blades which are run through the interior layer (black side) of the fiberglass board to make grooves or shiplap cuts.
How do you use the Amcraft duct Square?
Quote from the video:
Quote from Youtube video: It set it in the previous groove line it up and then if you rotate it when you bring it back around you'll be aligned.
How do you measure and cut a duct board?
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Quote from Youtube video: And then from that line you go with your next line you go or from that center line then you go for your inside dimension of your next cut plus two and five eighths.
Can I use foam board for ductwork?
You can build ducts from rigid foam board to serve as the distribution system to circulate heated or cooled air in your house. As with all duct systems, it is essential that one built from rigid foam board is correctly designed so that the temperature is comfortable and consistent throughout the residence.
How do you use a duct board tool?
Quote from the video:
Quote from Youtube video: It just gonna run your toe very gently across the length you duct. Work. Then you get to the end you just gonna turn it out and come straight up then take your duct work out.
How do you cut a plenum?
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Quote from Youtube video: Plenum next we're going to take this we're going to cross break this so once again the sheet metal doesn't pop when the air pressure comes into the plenum.
How do you cut a 6 inch hole in ductwork?
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Quote from Youtube video: So what you're gonna do is drill the hole. Take a pair of tin snips. And what you're gonna want to do is just trace all one of this with your snips.
What can I use to cut ductwork?
Quote from the video:
Quote from Youtube video: So a screwdriver and a hammer.
